Home / 113,702.55-156,909.38-62,718.54

Finding the Fourth Proportional to 113,702.55, 156,909.38 and 62,718.54

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Solution

The fourth proportional to 113,702.55, 156,909.38 and 62,718.54 is: 86,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,702.55 : 156,909.38 = 62,718.54 : x
  2. Step 2: Convert to fraction form
    113,702.55/156,909.38 = 62,718.54/x
  3. Step 3: Cross multiply
    113,702.55x = 156,909.38 × 62,718.54
  4. Step 4: Simplify right side
    113,702.55x = 9,841,126,912.31
  5. Step 5: Solve for x
    x = 9,841,126,912.31/113,702.55
  6. Step 6: Final answer
    x = 86,551.51

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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.