Home / 57,853.28-86,680.76-38,842.30

Finding the Fourth Proportional to 57,853.28, 86,680.76 and 38,842.30

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Solution

The fourth proportional to 57,853.28, 86,680.76 and 38,842.30 is: 58,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,853.28 : 86,680.76 = 38,842.30 : x
  2. Step 2: Convert to fraction form
    57,853.28/86,680.76 = 38,842.30/x
  3. Step 3: Cross multiply
    57,853.28x = 86,680.76 × 38,842.30
  4. Step 4: Simplify right side
    57,853.28x = 3,366,880,084.15
  5. Step 5: Solve for x
    x = 3,366,880,084.15/57,853.28
  6. Step 6: Final answer
    x = 58,196.87

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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.