Home / 48,209.22-72,295.20-20,142.52

Finding the Fourth Proportional to 48,209.22, 72,295.20 and 20,142.52

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Solution

The fourth proportional to 48,209.22, 72,295.20 and 20,142.52 is: 30,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,209.22 : 72,295.20 = 20,142.52 : x
  2. Step 2: Convert to fraction form
    48,209.22/72,295.20 = 20,142.52/x
  3. Step 3: Cross multiply
    48,209.22x = 72,295.20 × 20,142.52
  4. Step 4: Simplify right side
    48,209.22x = 1,456,207,331.17
  5. Step 5: Solve for x
    x = 1,456,207,331.17/48,209.22
  6. Step 6: Final answer
    x = 30,205.99

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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.