Home / 109,691.40-164,537.10-62,905.80

Finding the Fourth Proportional to 109,691.40, 164,537.10 and 62,905.80

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Solution

The fourth proportional to 109,691.40, 164,537.10 and 62,905.80 is: 94,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,691.40 : 164,537.10 = 62,905.80 : x
  2. Step 2: Convert to fraction form
    109,691.40/164,537.10 = 62,905.80/x
  3. Step 3: Cross multiply
    109,691.40x = 164,537.10 × 62,905.80
  4. Step 4: Simplify right side
    109,691.40x = 10,350,337,905.18
  5. Step 5: Solve for x
    x = 10,350,337,905.18/109,691.40
  6. Step 6: Final answer
    x = 94,358.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.