Home / 42,648.92-63,890.22-25,967.57

Finding the Fourth Proportional to 42,648.92, 63,890.22 and 25,967.57

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Solution

The fourth proportional to 42,648.92, 63,890.22 and 25,967.57 is: 38,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,648.92 : 63,890.22 = 25,967.57 : x
  2. Step 2: Convert to fraction form
    42,648.92/63,890.22 = 25,967.57/x
  3. Step 3: Cross multiply
    42,648.92x = 63,890.22 × 25,967.57
  4. Step 4: Simplify right side
    42,648.92x = 1,659,073,760.17
  5. Step 5: Solve for x
    x = 1,659,073,760.17/42,648.92
  6. Step 6: Final answer
    x = 38,900.72

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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.