Home / 83,001.36-124,382.44-47,352.80

Finding the Fourth Proportional to 83,001.36, 124,382.44 and 47,352.80

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Solution

The fourth proportional to 83,001.36, 124,382.44 and 47,352.80 is: 70,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001.36 : 124,382.44 = 47,352.80 : x
  2. Step 2: Convert to fraction form
    83,001.36/124,382.44 = 47,352.80/x
  3. Step 3: Cross multiply
    83,001.36x = 124,382.44 × 47,352.80
  4. Step 4: Simplify right side
    83,001.36x = 5,889,856,908.62
  5. Step 5: Solve for x
    x = 5,889,856,908.62/83,001.36
  6. Step 6: Final answer
    x = 70,960.97

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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.