Home / 79,919.03-119,839.66-42,497.03

Finding the Fourth Proportional to 79,919.03, 119,839.66 and 42,497.03

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Solution

The fourth proportional to 79,919.03, 119,839.66 and 42,497.03 is: 63,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.03 : 119,839.66 = 42,497.03 : x
  2. Step 2: Convert to fraction form
    79,919.03/119,839.66 = 42,497.03/x
  3. Step 3: Cross multiply
    79,919.03x = 119,839.66 × 42,497.03
  4. Step 4: Simplify right side
    79,919.03x = 5,092,829,626.21
  5. Step 5: Solve for x
    x = 5,092,829,626.21/79,919.03
  6. Step 6: Final answer
    x = 63,724.87

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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.