Home / 97,320.30-134,309.79-54,882.78

Finding the Fourth Proportional to 97,320.30, 134,309.79 and 54,882.78

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Solution

The fourth proportional to 97,320.30, 134,309.79 and 54,882.78 is: 75,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,320.30 : 134,309.79 = 54,882.78 : x
  2. Step 2: Convert to fraction form
    97,320.30/134,309.79 = 54,882.78/x
  3. Step 3: Cross multiply
    97,320.30x = 134,309.79 × 54,882.78
  4. Step 4: Simplify right side
    97,320.30x = 7,371,294,656.42
  5. Step 5: Solve for x
    x = 7,371,294,656.42/97,320.30
  6. Step 6: Final answer
    x = 75,742.62

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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.