Home / 45,028.76-62,139.68-25,156.76

Finding the Fourth Proportional to 45,028.76, 62,139.68 and 25,156.76

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Solution

The fourth proportional to 45,028.76, 62,139.68 and 25,156.76 is: 34,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028.76 : 62,139.68 = 25,156.76 : x
  2. Step 2: Convert to fraction form
    45,028.76/62,139.68 = 25,156.76/x
  3. Step 3: Cross multiply
    45,028.76x = 62,139.68 × 25,156.76
  4. Step 4: Simplify right side
    45,028.76x = 1,563,233,016.24
  5. Step 5: Solve for x
    x = 1,563,233,016.24/45,028.76
  6. Step 6: Final answer
    x = 34,716.32

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Half scale
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Double scale
Find fourth proportional to 45,029.76, 62,141.06 and 25,157.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.