Home / 83,048.25-124,622.19-30,463.05

Finding the Fourth Proportional to 83,048.25, 124,622.19 and 30,463.05

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Solution

The fourth proportional to 83,048.25, 124,622.19 and 30,463.05 is: 45,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,048.25 : 124,622.19 = 30,463.05 : x
  2. Step 2: Convert to fraction form
    83,048.25/124,622.19 = 30,463.05/x
  3. Step 3: Cross multiply
    83,048.25x = 124,622.19 × 30,463.05
  4. Step 4: Simplify right side
    83,048.25x = 3,796,372,005.08
  5. Step 5: Solve for x
    x = 3,796,372,005.08/83,048.25
  6. Step 6: Final answer
    x = 45,712.85

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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.