Home / 113,505.87-156,645.18-62,518.59

Finding the Fourth Proportional to 113,505.87, 156,645.18 and 62,518.59

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Solution

The fourth proportional to 113,505.87, 156,645.18 and 62,518.59 is: 86,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,505.87 : 156,645.18 = 62,518.59 : x
  2. Step 2: Convert to fraction form
    113,505.87/156,645.18 = 62,518.59/x
  3. Step 3: Cross multiply
    113,505.87x = 156,645.18 × 62,518.59
  4. Step 4: Simplify right side
    113,505.87x = 9,793,235,783.90
  5. Step 5: Solve for x
    x = 9,793,235,783.90/113,505.87
  6. Step 6: Final answer
    x = 86,279.55

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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.