Home / 56,931.30-85,395.12-25,766.58

Finding the Fourth Proportional to 56,931.30, 85,395.12 and 25,766.58

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Solution

The fourth proportional to 56,931.30, 85,395.12 and 25,766.58 is: 38,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.30 : 85,395.12 = 25,766.58 : x
  2. Step 2: Convert to fraction form
    56,931.30/85,395.12 = 25,766.58/x
  3. Step 3: Cross multiply
    56,931.30x = 85,395.12 × 25,766.58
  4. Step 4: Simplify right side
    56,931.30x = 2,200,340,191.09
  5. Step 5: Solve for x
    x = 2,200,340,191.09/56,931.30
  6. Step 6: Final answer
    x = 38,649.04

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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.