Home / 67,281.60-100,887.36-25,127.04

Finding the Fourth Proportional to 67,281.60, 100,887.36 and 25,127.04

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Solution

The fourth proportional to 67,281.60, 100,887.36 and 25,127.04 is: 37,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,281.60 : 100,887.36 = 25,127.04 : x
  2. Step 2: Convert to fraction form
    67,281.60/100,887.36 = 25,127.04/x
  3. Step 3: Cross multiply
    67,281.60x = 100,887.36 × 25,127.04
  4. Step 4: Simplify right side
    67,281.60x = 2,535,000,730.21
  5. Step 5: Solve for x
    x = 2,535,000,730.21/67,281.60
  6. Step 6: Final answer
    x = 37,677.47

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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.