Home / 48,425.20-72,637.80-40,233.20

Finding the Fourth Proportional to 48,425.20, 72,637.80 and 40,233.20

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Solution

The fourth proportional to 48,425.20, 72,637.80 and 40,233.20 is: 60,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,425.20 : 72,637.80 = 40,233.20 : x
  2. Step 2: Convert to fraction form
    48,425.20/72,637.80 = 40,233.20/x
  3. Step 3: Cross multiply
    48,425.20x = 72,637.80 × 40,233.20
  4. Step 4: Simplify right side
    48,425.20x = 2,922,451,134.96
  5. Step 5: Solve for x
    x = 2,922,451,134.96/48,425.20
  6. Step 6: Final answer
    x = 60,349.80

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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.