Home / 48,577.05-72,865.17-13,516.61

Finding the Fourth Proportional to 48,577.05, 72,865.17 and 13,516.61

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Solution

The fourth proportional to 48,577.05, 72,865.17 and 13,516.61 is: 20,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,577.05 : 72,865.17 = 13,516.61 : x
  2. Step 2: Convert to fraction form
    48,577.05/72,865.17 = 13,516.61/x
  3. Step 3: Cross multiply
    48,577.05x = 72,865.17 × 13,516.61
  4. Step 4: Simplify right side
    48,577.05x = 984,889,721.15
  5. Step 5: Solve for x
    x = 984,889,721.15/48,577.05
  6. Step 6: Final answer
    x = 20,274.79

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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.