Home / 48,930.06-73,387.38-40,663.20

Finding the Fourth Proportional to 48,930.06, 73,387.38 and 40,663.20

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Solution

The fourth proportional to 48,930.06, 73,387.38 and 40,663.20 is: 60,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,930.06 : 73,387.38 = 40,663.20 : x
  2. Step 2: Convert to fraction form
    48,930.06/73,387.38 = 40,663.20/x
  3. Step 3: Cross multiply
    48,930.06x = 73,387.38 × 40,663.20
  4. Step 4: Simplify right side
    48,930.06x = 2,984,165,710.42
  5. Step 5: Solve for x
    x = 2,984,165,710.42/48,930.06
  6. Step 6: Final answer
    x = 60,988.39

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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.