Home / 48,456.12-72,684.90-31,922.04

Finding the Fourth Proportional to 48,456.12, 72,684.90 and 31,922.04

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Solution

The fourth proportional to 48,456.12, 72,684.90 and 31,922.04 is: 47,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456.12 : 72,684.90 = 31,922.04 : x
  2. Step 2: Convert to fraction form
    48,456.12/72,684.90 = 31,922.04/x
  3. Step 3: Cross multiply
    48,456.12x = 72,684.90 × 31,922.04
  4. Step 4: Simplify right side
    48,456.12x = 2,320,250,285.20
  5. Step 5: Solve for x
    x = 2,320,250,285.20/48,456.12
  6. Step 6: Final answer
    x = 47,883.53

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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.