Home / 48,147.91-72,221.65-13,087.46

Finding the Fourth Proportional to 48,147.91, 72,221.65 and 13,087.46

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Solution

The fourth proportional to 48,147.91, 72,221.65 and 13,087.46 is: 19,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,147.91 : 72,221.65 = 13,087.46 : x
  2. Step 2: Convert to fraction form
    48,147.91/72,221.65 = 13,087.46/x
  3. Step 3: Cross multiply
    48,147.91x = 72,221.65 × 13,087.46
  4. Step 4: Simplify right side
    48,147.91x = 945,198,103.34
  5. Step 5: Solve for x
    x = 945,198,103.34/48,147.91
  6. Step 6: Final answer
    x = 19,631.14

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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.