Home / 97,371.38-134,373.81-54,929.78

Finding the Fourth Proportional to 97,371.38, 134,373.81 and 54,929.78

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Solution

The fourth proportional to 97,371.38, 134,373.81 and 54,929.78 is: 75,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,371.38 : 134,373.81 = 54,929.78 : x
  2. Step 2: Convert to fraction form
    97,371.38/134,373.81 = 54,929.78/x
  3. Step 3: Cross multiply
    97,371.38x = 134,373.81 × 54,929.78
  4. Step 4: Simplify right side
    97,371.38x = 7,381,123,821.06
  5. Step 5: Solve for x
    x = 7,381,123,821.06/97,371.38
  6. Step 6: Final answer
    x = 75,803.83

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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.