Home / 77,882.10-107,477.72-43,891.11

Finding the Fourth Proportional to 77,882.10, 107,477.72 and 43,891.11

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Solution

The fourth proportional to 77,882.10, 107,477.72 and 43,891.11 is: 60,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,882.10 : 107,477.72 = 43,891.11 : x
  2. Step 2: Convert to fraction form
    77,882.10/107,477.72 = 43,891.11/x
  3. Step 3: Cross multiply
    77,882.10x = 107,477.72 × 43,891.11
  4. Step 4: Simplify right side
    77,882.10x = 4,717,316,211.61
  5. Step 5: Solve for x
    x = 4,717,316,211.61/77,882.10
  6. Step 6: Final answer
    x = 60,569.97

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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.