Home / 48,769.20-73,044.45-42,208.20

Finding the Fourth Proportional to 48,769.20, 73,044.45 and 42,208.20

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Solution

The fourth proportional to 48,769.20, 73,044.45 and 42,208.20 is: 63,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,769.20 : 73,044.45 = 42,208.20 : x
  2. Step 2: Convert to fraction form
    48,769.20/73,044.45 = 42,208.20/x
  3. Step 3: Cross multiply
    48,769.20x = 73,044.45 × 42,208.20
  4. Step 4: Simplify right side
    48,769.20x = 3,083,074,754.49
  5. Step 5: Solve for x
    x = 3,083,074,754.49/48,769.20
  6. Step 6: Final answer
    x = 63,217.66

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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.