Home / 79,830.38-119,680.64-29,882.50

Finding the Fourth Proportional to 79,830.38, 119,680.64 and 29,882.50

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Solution

The fourth proportional to 79,830.38, 119,680.64 and 29,882.50 is: 44,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830.38 : 119,680.64 = 29,882.50 : x
  2. Step 2: Convert to fraction form
    79,830.38/119,680.64 = 29,882.50/x
  3. Step 3: Cross multiply
    79,830.38x = 119,680.64 × 29,882.50
  4. Step 4: Simplify right side
    79,830.38x = 3,576,356,724.80
  5. Step 5: Solve for x
    x = 3,576,356,724.80/79,830.38
  6. Step 6: Final answer
    x = 44,799.45

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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.