Home / 77,654.24-116,398.30-40,176.57

Finding the Fourth Proportional to 77,654.24, 116,398.30 and 40,176.57

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Solution

The fourth proportional to 77,654.24, 116,398.30 and 40,176.57 is: 60,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,654.24 : 116,398.30 = 40,176.57 : x
  2. Step 2: Convert to fraction form
    77,654.24/116,398.30 = 40,176.57/x
  3. Step 3: Cross multiply
    77,654.24x = 116,398.30 × 40,176.57
  4. Step 4: Simplify right side
    77,654.24x = 4,676,484,447.83
  5. Step 5: Solve for x
    x = 4,676,484,447.83/77,654.24
  6. Step 6: Final answer
    x = 60,221.88

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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.