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Finding the Fourth Proportional to 68,401.29, 102,446.10 and 55,902.63

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Solution

The fourth proportional to 68,401.29, 102,446.10 and 55,902.63 is: 83,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401.29 : 102,446.10 = 55,902.63 : x
  2. Step 2: Convert to fraction form
    68,401.29/102,446.10 = 55,902.63/x
  3. Step 3: Cross multiply
    68,401.29x = 102,446.10 × 55,902.63
  4. Step 4: Simplify right side
    68,401.29x = 5,727,006,423.24
  5. Step 5: Solve for x
    x = 5,727,006,423.24/68,401.29
  6. Step 6: Final answer
    x = 83,726.59

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1.5x scale

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.