Home / 60,982.20-91,473.30-21,543.30

Finding the Fourth Proportional to 60,982.20, 91,473.30 and 21,543.30

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Solution

The fourth proportional to 60,982.20, 91,473.30 and 21,543.30 is: 32,314.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,982.20 : 91,473.30 = 21,543.30 : x
  2. Step 2: Convert to fraction form
    60,982.20/91,473.30 = 21,543.30/x
  3. Step 3: Cross multiply
    60,982.20x = 91,473.30 × 21,543.30
  4. Step 4: Simplify right side
    60,982.20x = 1,970,636,743.89
  5. Step 5: Solve for x
    x = 1,970,636,743.89/60,982.20
  6. Step 6: Final answer
    x = 32,314.95

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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.