Home / 57,141.20-85,711.80-26,037.20

Finding the Fourth Proportional to 57,141.20, 85,711.80 and 26,037.20

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Solution

The fourth proportional to 57,141.20, 85,711.80 and 26,037.20 is: 39,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.20 : 85,711.80 = 26,037.20 : x
  2. Step 2: Convert to fraction form
    57,141.20/85,711.80 = 26,037.20/x
  3. Step 3: Cross multiply
    57,141.20x = 85,711.80 × 26,037.20
  4. Step 4: Simplify right side
    57,141.20x = 2,231,695,278.96
  5. Step 5: Solve for x
    x = 2,231,695,278.96/57,141.20
  6. Step 6: Final answer
    x = 39,055.80

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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.