Home / 48,664.20-72,996.30-30,232.20

Finding the Fourth Proportional to 48,664.20, 72,996.30 and 30,232.20

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Solution

The fourth proportional to 48,664.20, 72,996.30 and 30,232.20 is: 45,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.20 : 72,996.30 = 30,232.20 : x
  2. Step 2: Convert to fraction form
    48,664.20/72,996.30 = 30,232.20/x
  3. Step 3: Cross multiply
    48,664.20x = 72,996.30 × 30,232.20
  4. Step 4: Simplify right side
    48,664.20x = 2,206,838,740.86
  5. Step 5: Solve for x
    x = 2,206,838,740.86/48,664.20
  6. Step 6: Final answer
    x = 45,348.30

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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.