Home / 57,455.07-86,193.17-25,865.90

Finding the Fourth Proportional to 57,455.07, 86,193.17 and 25,865.90

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Solution

The fourth proportional to 57,455.07, 86,193.17 and 25,865.90 is: 38,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.07 : 86,193.17 = 25,865.90 : x
  2. Step 2: Convert to fraction form
    57,455.07/86,193.17 = 25,865.90/x
  3. Step 3: Cross multiply
    57,455.07x = 86,193.17 × 25,865.90
  4. Step 4: Simplify right side
    57,455.07x = 2,229,463,915.90
  5. Step 5: Solve for x
    x = 2,229,463,915.90/57,455.07
  6. Step 6: Final answer
    x = 38,803.61

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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.