Home / 57,434.72-86,122.47-25,817.76

Finding the Fourth Proportional to 57,434.72, 86,122.47 and 25,817.76

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Solution

The fourth proportional to 57,434.72, 86,122.47 and 25,817.76 is: 38,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.72 : 86,122.47 = 25,817.76 : x
  2. Step 2: Convert to fraction form
    57,434.72/86,122.47 = 25,817.76/x
  3. Step 3: Cross multiply
    57,434.72x = 86,122.47 × 25,817.76
  4. Step 4: Simplify right side
    57,434.72x = 2,223,489,382.27
  5. Step 5: Solve for x
    x = 2,223,489,382.27/57,434.72
  6. Step 6: Final answer
    x = 38,713.33

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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.