Home / 71,080.47-106,617.33-17,772.80

Finding the Fourth Proportional to 71,080.47, 106,617.33 and 17,772.80

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Solution

The fourth proportional to 71,080.47, 106,617.33 and 17,772.80 is: 26,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,080.47 : 106,617.33 = 17,772.80 : x
  2. Step 2: Convert to fraction form
    71,080.47/106,617.33 = 17,772.80/x
  3. Step 3: Cross multiply
    71,080.47x = 106,617.33 × 17,772.80
  4. Step 4: Simplify right side
    71,080.47x = 1,894,887,949.54
  5. Step 5: Solve for x
    x = 1,894,887,949.54/71,080.47
  6. Step 6: Final answer
    x = 26,658.35

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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.