Home / 104,589.78-144,354.89-62,140.14

Finding the Fourth Proportional to 104,589.78, 144,354.89 and 62,140.14

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Solution

The fourth proportional to 104,589.78, 144,354.89 and 62,140.14 is: 85,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,589.78 : 144,354.89 = 62,140.14 : x
  2. Step 2: Convert to fraction form
    104,589.78/144,354.89 = 62,140.14/x
  3. Step 3: Cross multiply
    104,589.78x = 144,354.89 × 62,140.14
  4. Step 4: Simplify right side
    104,589.78x = 8,970,233,074.28
  5. Step 5: Solve for x
    x = 8,970,233,074.28/104,589.78
  6. Step 6: Final answer
    x = 85,765.87

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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.