Home / 57,915.11-79,916.10-32,422.87

Finding the Fourth Proportional to 57,915.11, 79,916.10 and 32,422.87

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Solution

The fourth proportional to 57,915.11, 79,916.10 and 32,422.87 is: 44,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,915.11 : 79,916.10 = 32,422.87 : x
  2. Step 2: Convert to fraction form
    57,915.11/79,916.10 = 32,422.87/x
  3. Step 3: Cross multiply
    57,915.11x = 79,916.10 × 32,422.87
  4. Step 4: Simplify right side
    57,915.11x = 2,591,108,921.63
  5. Step 5: Solve for x
    x = 2,591,108,921.63/57,915.11
  6. Step 6: Final answer
    x = 44,739.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.