Home / 48,184.40-72,449.40-40,581.20

Finding the Fourth Proportional to 48,184.40, 72,449.40 and 40,581.20

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Solution

The fourth proportional to 48,184.40, 72,449.40 and 40,581.20 is: 61,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,184.40 : 72,449.40 = 40,581.20 : x
  2. Step 2: Convert to fraction form
    48,184.40/72,449.40 = 40,581.20/x
  3. Step 3: Cross multiply
    48,184.40x = 72,449.40 × 40,581.20
  4. Step 4: Simplify right side
    48,184.40x = 2,940,083,591.28
  5. Step 5: Solve for x
    x = 2,940,083,591.28/48,184.40
  6. Step 6: Final answer
    x = 61,017.33

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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.