Home / 48,746.97-73,120.12-13,686.66

Finding the Fourth Proportional to 48,746.97, 73,120.12 and 13,686.66

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Solution

The fourth proportional to 48,746.97, 73,120.12 and 13,686.66 is: 20,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,746.97 : 73,120.12 = 13,686.66 : x
  2. Step 2: Convert to fraction form
    48,746.97/73,120.12 = 13,686.66/x
  3. Step 3: Cross multiply
    48,746.97x = 73,120.12 × 13,686.66
  4. Step 4: Simplify right side
    48,746.97x = 1,000,770,187.38
  5. Step 5: Solve for x
    x = 1,000,770,187.38/48,746.97
  6. Step 6: Final answer
    x = 20,529.90

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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.