Home / 57,758.28-86,639.76-18,314.52

Finding the Fourth Proportional to 57,758.28, 86,639.76 and 18,314.52

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Solution

The fourth proportional to 57,758.28, 86,639.76 and 18,314.52 is: 27,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,758.28 : 86,639.76 = 18,314.52 : x
  2. Step 2: Convert to fraction form
    57,758.28/86,639.76 = 18,314.52/x
  3. Step 3: Cross multiply
    57,758.28x = 86,639.76 × 18,314.52
  4. Step 4: Simplify right side
    57,758.28x = 1,586,765,617.32
  5. Step 5: Solve for x
    x = 1,586,765,617.32/57,758.28
  6. Step 6: Final answer
    x = 27,472.52

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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.