Home / 54,841.78-75,681.98-29,691.28

Finding the Fourth Proportional to 54,841.78, 75,681.98 and 29,691.28

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Solution

The fourth proportional to 54,841.78, 75,681.98 and 29,691.28 is: 40,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,841.78 : 75,681.98 = 29,691.28 : x
  2. Step 2: Convert to fraction form
    54,841.78/75,681.98 = 29,691.28/x
  3. Step 3: Cross multiply
    54,841.78x = 75,681.98 × 29,691.28
  4. Step 4: Simplify right side
    54,841.78x = 2,247,094,859.13
  5. Step 5: Solve for x
    x = 2,247,094,859.13/54,841.78
  6. Step 6: Final answer
    x = 40,974.14

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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.