Home / 48,195.76-72,288.96-21,180.72

Finding the Fourth Proportional to 48,195.76, 72,288.96 and 21,180.72

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Solution

The fourth proportional to 48,195.76, 72,288.96 and 21,180.72 is: 31,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,195.76 : 72,288.96 = 21,180.72 : x
  2. Step 2: Convert to fraction form
    48,195.76/72,288.96 = 21,180.72/x
  3. Step 3: Cross multiply
    48,195.76x = 72,288.96 × 21,180.72
  4. Step 4: Simplify right side
    48,195.76x = 1,531,132,220.85
  5. Step 5: Solve for x
    x = 1,531,132,220.85/48,195.76
  6. Step 6: Final answer
    x = 31,769.02

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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.