Home / 113,418.08-156,517.50-62,435.91

Finding the Fourth Proportional to 113,418.08, 156,517.50 and 62,435.91

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Solution

The fourth proportional to 113,418.08, 156,517.50 and 62,435.91 is: 86,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,418.08 : 156,517.50 = 62,435.91 : x
  2. Step 2: Convert to fraction form
    113,418.08/156,517.50 = 62,435.91/x
  3. Step 3: Cross multiply
    113,418.08x = 156,517.50 × 62,435.91
  4. Step 4: Simplify right side
    113,418.08x = 9,772,312,543.43
  5. Step 5: Solve for x
    x = 9,772,312,543.43/113,418.08
  6. Step 6: Final answer
    x = 86,161.86

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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.