Home / 109,781.46-151,496.45-62,033.79

Finding the Fourth Proportional to 109,781.46, 151,496.45 and 62,033.79

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Solution

The fourth proportional to 109,781.46, 151,496.45 and 62,033.79 is: 85,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,781.46 : 151,496.45 = 62,033.79 : x
  2. Step 2: Convert to fraction form
    109,781.46/151,496.45 = 62,033.79/x
  3. Step 3: Cross multiply
    109,781.46x = 151,496.45 × 62,033.79
  4. Step 4: Simplify right side
    109,781.46x = 9,397,897,897.39
  5. Step 5: Solve for x
    x = 9,397,897,897.39/109,781.46
  6. Step 6: Final answer
    x = 85,605.51

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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.