Home / 48,746.20-73,119.30-13,691.80

Finding the Fourth Proportional to 48,746.20, 73,119.30 and 13,691.80

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Solution

The fourth proportional to 48,746.20, 73,119.30 and 13,691.80 is: 20,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,746.20 : 73,119.30 = 13,691.80 : x
  2. Step 2: Convert to fraction form
    48,746.20/73,119.30 = 13,691.80/x
  3. Step 3: Cross multiply
    48,746.20x = 73,119.30 × 13,691.80
  4. Step 4: Simplify right side
    48,746.20x = 1,001,134,831.74
  5. Step 5: Solve for x
    x = 1,001,134,831.74/48,746.20
  6. Step 6: Final answer
    x = 20,537.70

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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.