Home / 57,724.20-86,586.30-39,061.80

Finding the Fourth Proportional to 57,724.20, 86,586.30 and 39,061.80

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Solution

The fourth proportional to 57,724.20, 86,586.30 and 39,061.80 is: 58,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.20 : 86,586.30 = 39,061.80 : x
  2. Step 2: Convert to fraction form
    57,724.20/86,586.30 = 39,061.80/x
  3. Step 3: Cross multiply
    57,724.20x = 86,586.30 × 39,061.80
  4. Step 4: Simplify right side
    57,724.20x = 3,382,216,733.34
  5. Step 5: Solve for x
    x = 3,382,216,733.34/57,724.20
  6. Step 6: Final answer
    x = 58,592.70

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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.