Home / 45,251.16-67,863.98-13,652.66

Finding the Fourth Proportional to 45,251.16, 67,863.98 and 13,652.66

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Solution

The fourth proportional to 45,251.16, 67,863.98 and 13,652.66 is: 20,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.16 : 67,863.98 = 13,652.66 : x
  2. Step 2: Convert to fraction form
    45,251.16/67,863.98 = 13,652.66/x
  3. Step 3: Cross multiply
    45,251.16x = 67,863.98 × 13,652.66
  4. Step 4: Simplify right side
    45,251.16x = 926,523,845.19
  5. Step 5: Solve for x
    x = 926,523,845.19/45,251.16
  6. Step 6: Final answer
    x = 20,475.14

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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.