Home / 48,576.22-72,864.45-13,515.88

Finding the Fourth Proportional to 48,576.22, 72,864.45 and 13,515.88

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Solution

The fourth proportional to 48,576.22, 72,864.45 and 13,515.88 is: 20,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,576.22 : 72,864.45 = 13,515.88 : x
  2. Step 2: Convert to fraction form
    48,576.22/72,864.45 = 13,515.88/x
  3. Step 3: Cross multiply
    48,576.22x = 72,864.45 × 13,515.88
  4. Step 4: Simplify right side
    48,576.22x = 984,827,162.47
  5. Step 5: Solve for x
    x = 984,827,162.47/48,576.22
  6. Step 6: Final answer
    x = 20,273.85

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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.