Home / 48,296.80-72,445.20-40,933.90

Finding the Fourth Proportional to 48,296.80, 72,445.20 and 40,933.90

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Solution

The fourth proportional to 48,296.80, 72,445.20 and 40,933.90 is: 61,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,296.80 : 72,445.20 = 40,933.90 : x
  2. Step 2: Convert to fraction form
    48,296.80/72,445.20 = 40,933.90/x
  3. Step 3: Cross multiply
    48,296.80x = 72,445.20 × 40,933.90
  4. Step 4: Simplify right side
    48,296.80x = 2,965,464,572.28
  5. Step 5: Solve for x
    x = 2,965,464,572.28/48,296.80
  6. Step 6: Final answer
    x = 61,400.85

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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.