Home / 52,753.46-79,130.33-13,310.57

Finding the Fourth Proportional to 52,753.46, 79,130.33 and 13,310.57

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Solution

The fourth proportional to 52,753.46, 79,130.33 and 13,310.57 is: 19,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.46 : 79,130.33 = 13,310.57 : x
  2. Step 2: Convert to fraction form
    52,753.46/79,130.33 = 13,310.57/x
  3. Step 3: Cross multiply
    52,753.46x = 79,130.33 × 13,310.57
  4. Step 4: Simplify right side
    52,753.46x = 1,053,269,334.38
  5. Step 5: Solve for x
    x = 1,053,269,334.38/52,753.46
  6. Step 6: Final answer
    x = 19,965.88

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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.