Home / 57,275.60-85,871.82-38,509.04

Finding the Fourth Proportional to 57,275.60, 85,871.82 and 38,509.04

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Solution

The fourth proportional to 57,275.60, 85,871.82 and 38,509.04 is: 57,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.60 : 85,871.82 = 38,509.04 : x
  2. Step 2: Convert to fraction form
    57,275.60/85,871.82 = 38,509.04/x
  3. Step 3: Cross multiply
    57,275.60x = 85,871.82 × 38,509.04
  4. Step 4: Simplify right side
    57,275.60x = 3,306,841,351.25
  5. Step 5: Solve for x
    x = 3,306,841,351.25/57,275.60
  6. Step 6: Final answer
    x = 57,735.60

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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.