Home / 75,219.06-103,774.82-45,005.24

Finding the Fourth Proportional to 75,219.06, 103,774.82 and 45,005.24

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Solution

The fourth proportional to 75,219.06, 103,774.82 and 45,005.24 is: 62,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,219.06 : 103,774.82 = 45,005.24 : x
  2. Step 2: Convert to fraction form
    75,219.06/103,774.82 = 45,005.24/x
  3. Step 3: Cross multiply
    75,219.06x = 103,774.82 × 45,005.24
  4. Step 4: Simplify right side
    75,219.06x = 4,670,410,680.06
  5. Step 5: Solve for x
    x = 4,670,410,680.06/75,219.06
  6. Step 6: Final answer
    x = 62,090.79

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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.