Home / 72,759.28-109,149.84-26,008.50

Finding the Fourth Proportional to 72,759.28, 109,149.84 and 26,008.50

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Solution

The fourth proportional to 72,759.28, 109,149.84 and 26,008.50 is: 39,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,759.28 : 109,149.84 = 26,008.50 : x
  2. Step 2: Convert to fraction form
    72,759.28/109,149.84 = 26,008.50/x
  3. Step 3: Cross multiply
    72,759.28x = 109,149.84 × 26,008.50
  4. Step 4: Simplify right side
    72,759.28x = 2,838,823,613.64
  5. Step 5: Solve for x
    x = 2,838,823,613.64/72,759.28
  6. Step 6: Final answer
    x = 39,016.65

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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.