Home / 113,457.07-156,565.29-62,468.74

Finding the Fourth Proportional to 113,457.07, 156,565.29 and 62,468.74

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Solution

The fourth proportional to 113,457.07, 156,565.29 and 62,468.74 is: 86,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,457.07 : 156,565.29 = 62,468.74 : x
  2. Step 2: Convert to fraction form
    113,457.07/156,565.29 = 62,468.74/x
  3. Step 3: Cross multiply
    113,457.07x = 156,565.29 × 62,468.74
  4. Step 4: Simplify right side
    113,457.07x = 9,780,436,394.03
  5. Step 5: Solve for x
    x = 9,780,436,394.03/113,457.07
  6. Step 6: Final answer
    x = 86,203.85

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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.