Home / 57,301.60-85,952.40-51,275.20

Finding the Fourth Proportional to 57,301.60, 85,952.40 and 51,275.20

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Solution

The fourth proportional to 57,301.60, 85,952.40 and 51,275.20 is: 76,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,301.60 : 85,952.40 = 51,275.20 : x
  2. Step 2: Convert to fraction form
    57,301.60/85,952.40 = 51,275.20/x
  3. Step 3: Cross multiply
    57,301.60x = 85,952.40 × 51,275.20
  4. Step 4: Simplify right side
    57,301.60x = 4,407,226,500.48
  5. Step 5: Solve for x
    x = 4,407,226,500.48/57,301.60
  6. Step 6: Final answer
    x = 76,912.80

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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.