Home / 72,532.35-108,732.87-25,774.29

Finding the Fourth Proportional to 72,532.35, 108,732.87 and 25,774.29

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Solution

The fourth proportional to 72,532.35, 108,732.87 and 25,774.29 is: 38,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,532.35 : 108,732.87 = 25,774.29 : x
  2. Step 2: Convert to fraction form
    72,532.35/108,732.87 = 25,774.29/x
  3. Step 3: Cross multiply
    72,532.35x = 108,732.87 × 25,774.29
  4. Step 4: Simplify right side
    72,532.35x = 2,802,512,523.91
  5. Step 5: Solve for x
    x = 2,802,512,523.91/72,532.35
  6. Step 6: Final answer
    x = 38,638.10

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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.