Home / 103,229.17-154,859.15-36,663.72

Finding the Fourth Proportional to 103,229.17, 154,859.15 and 36,663.72

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Solution

The fourth proportional to 103,229.17, 154,859.15 and 36,663.72 is: 55,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,229.17 : 154,859.15 = 36,663.72 : x
  2. Step 2: Convert to fraction form
    103,229.17/154,859.15 = 36,663.72/x
  3. Step 3: Cross multiply
    103,229.17x = 154,859.15 × 36,663.72
  4. Step 4: Simplify right side
    103,229.17x = 5,677,711,557.42
  5. Step 5: Solve for x
    x = 5,677,711,557.42/103,229.17
  6. Step 6: Final answer
    x = 55,001.04

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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.