Home / 113,767.30-156,998.76-62,780.02

Finding the Fourth Proportional to 113,767.30, 156,998.76 and 62,780.02

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Solution

The fourth proportional to 113,767.30, 156,998.76 and 62,780.02 is: 86,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,767.30 : 156,998.76 = 62,780.02 : x
  2. Step 2: Convert to fraction form
    113,767.30/156,998.76 = 62,780.02/x
  3. Step 3: Cross multiply
    113,767.30x = 156,998.76 × 62,780.02
  4. Step 4: Simplify right side
    113,767.30x = 9,856,385,292.78
  5. Step 5: Solve for x
    x = 9,856,385,292.78/113,767.30
  6. Step 6: Final answer
    x = 86,636.36

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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.