Home / 83,453.76-115,165.94-45,728.01

Finding the Fourth Proportional to 83,453.76, 115,165.94 and 45,728.01

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Solution

The fourth proportional to 83,453.76, 115,165.94 and 45,728.01 is: 63,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,453.76 : 115,165.94 = 45,728.01 : x
  2. Step 2: Convert to fraction form
    83,453.76/115,165.94 = 45,728.01/x
  3. Step 3: Cross multiply
    83,453.76x = 115,165.94 × 45,728.01
  4. Step 4: Simplify right side
    83,453.76x = 5,266,309,027.34
  5. Step 5: Solve for x
    x = 5,266,309,027.34/83,453.76
  6. Step 6: Final answer
    x = 63,104.51

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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.