Home / 48,986.20-73,349.70-38,531.80

Finding the Fourth Proportional to 48,986.20, 73,349.70 and 38,531.80

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Solution

The fourth proportional to 48,986.20, 73,349.70 and 38,531.80 is: 57,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,986.20 : 73,349.70 = 38,531.80 : x
  2. Step 2: Convert to fraction form
    48,986.20/73,349.70 = 38,531.80/x
  3. Step 3: Cross multiply
    48,986.20x = 73,349.70 × 38,531.80
  4. Step 4: Simplify right side
    48,986.20x = 2,826,295,970.46
  5. Step 5: Solve for x
    x = 2,826,295,970.46/48,986.20
  6. Step 6: Final answer
    x = 57,695.76

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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.