Home / 57,904.70-86,861.10-22,839.80

Finding the Fourth Proportional to 57,904.70, 86,861.10 and 22,839.80

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Solution

The fourth proportional to 57,904.70, 86,861.10 and 22,839.80 is: 34,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,904.70 : 86,861.10 = 22,839.80 : x
  2. Step 2: Convert to fraction form
    57,904.70/86,861.10 = 22,839.80/x
  3. Step 3: Cross multiply
    57,904.70x = 86,861.10 × 22,839.80
  4. Step 4: Simplify right side
    57,904.70x = 1,983,890,151.78
  5. Step 5: Solve for x
    x = 1,983,890,151.78/57,904.70
  6. Step 6: Final answer
    x = 34,261.30

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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.