Home / 57,218.52-85,845.70-25,655.04

Finding the Fourth Proportional to 57,218.52, 85,845.70 and 25,655.04

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Solution

The fourth proportional to 57,218.52, 85,845.70 and 25,655.04 is: 38,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,218.52 : 85,845.70 = 25,655.04 : x
  2. Step 2: Convert to fraction form
    57,218.52/85,845.70 = 25,655.04/x
  3. Step 3: Cross multiply
    57,218.52x = 85,845.70 × 25,655.04
  4. Step 4: Simplify right side
    57,218.52x = 2,202,374,867.33
  5. Step 5: Solve for x
    x = 2,202,374,867.33/57,218.52
  6. Step 6: Final answer
    x = 38,490.59

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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.