Home / 72,867.28-109,308.75-22,948.90

Finding the Fourth Proportional to 72,867.28, 109,308.75 and 22,948.90

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Solution

The fourth proportional to 72,867.28, 109,308.75 and 22,948.90 is: 34,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,867.28 : 109,308.75 = 22,948.90 : x
  2. Step 2: Convert to fraction form
    72,867.28/109,308.75 = 22,948.90/x
  3. Step 3: Cross multiply
    72,867.28x = 109,308.75 × 22,948.90
  4. Step 4: Simplify right side
    72,867.28x = 2,508,515,572.88
  5. Step 5: Solve for x
    x = 2,508,515,572.88/72,867.28
  6. Step 6: Final answer
    x = 34,425.82

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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.