Home / 113,702.76-156,909.96-62,714.34

Finding the Fourth Proportional to 113,702.76, 156,909.96 and 62,714.34

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Solution

The fourth proportional to 113,702.76, 156,909.96 and 62,714.34 is: 86,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,702.76 : 156,909.96 = 62,714.34 : x
  2. Step 2: Convert to fraction form
    113,702.76/156,909.96 = 62,714.34/x
  3. Step 3: Cross multiply
    113,702.76x = 156,909.96 × 62,714.34
  4. Step 4: Simplify right side
    113,702.76x = 9,840,504,580.83
  5. Step 5: Solve for x
    x = 9,840,504,580.83/113,702.76
  6. Step 6: Final answer
    x = 86,545.87

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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.