Home / 57,141.64-85,711.50-15,588.52

Finding the Fourth Proportional to 57,141.64, 85,711.50 and 15,588.52

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Solution

The fourth proportional to 57,141.64, 85,711.50 and 15,588.52 is: 23,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.64 : 85,711.50 = 15,588.52 : x
  2. Step 2: Convert to fraction form
    57,141.64/85,711.50 = 15,588.52/x
  3. Step 3: Cross multiply
    57,141.64x = 85,711.50 × 15,588.52
  4. Step 4: Simplify right side
    57,141.64x = 1,336,115,431.98
  5. Step 5: Solve for x
    x = 1,336,115,431.98/57,141.64
  6. Step 6: Final answer
    x = 23,382.52

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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.