Home / 79,008.92-118,513.38-31,645.52

Finding the Fourth Proportional to 79,008.92, 118,513.38 and 31,645.52

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Solution

The fourth proportional to 79,008.92, 118,513.38 and 31,645.52 is: 47,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,008.92 : 118,513.38 = 31,645.52 : x
  2. Step 2: Convert to fraction form
    79,008.92/118,513.38 = 31,645.52/x
  3. Step 3: Cross multiply
    79,008.92x = 118,513.38 × 31,645.52
  4. Step 4: Simplify right side
    79,008.92x = 3,750,417,537.06
  5. Step 5: Solve for x
    x = 3,750,417,537.06/79,008.92
  6. Step 6: Final answer
    x = 47,468.28

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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.