Home / 79,358.41-119,046.66-28,781.27

Finding the Fourth Proportional to 79,358.41, 119,046.66 and 28,781.27

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Solution

The fourth proportional to 79,358.41, 119,046.66 and 28,781.27 is: 43,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,358.41 : 119,046.66 = 28,781.27 : x
  2. Step 2: Convert to fraction form
    79,358.41/119,046.66 = 28,781.27/x
  3. Step 3: Cross multiply
    79,358.41x = 119,046.66 × 28,781.27
  4. Step 4: Simplify right side
    79,358.41x = 3,426,314,064.06
  5. Step 5: Solve for x
    x = 3,426,314,064.06/79,358.41
  6. Step 6: Final answer
    x = 43,175.19

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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.