Home / 109,972.29-151,761.78-62,224.68

Finding the Fourth Proportional to 109,972.29, 151,761.78 and 62,224.68

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Solution

The fourth proportional to 109,972.29, 151,761.78 and 62,224.68 is: 85,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972.29 : 151,761.78 = 62,224.68 : x
  2. Step 2: Convert to fraction form
    109,972.29/151,761.78 = 62,224.68/x
  3. Step 3: Cross multiply
    109,972.29x = 151,761.78 × 62,224.68
  4. Step 4: Simplify right side
    109,972.29x = 9,443,328,196.73
  5. Step 5: Solve for x
    x = 9,443,328,196.73/109,972.29
  6. Step 6: Final answer
    x = 85,870.07

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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.