Home / 83,424.38-125,184.47-82,747.31

Finding the Fourth Proportional to 83,424.38, 125,184.47 and 82,747.31

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Solution

The fourth proportional to 83,424.38, 125,184.47 and 82,747.31 is: 124,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,424.38 : 125,184.47 = 82,747.31 : x
  2. Step 2: Convert to fraction form
    83,424.38/125,184.47 = 82,747.31/x
  3. Step 3: Cross multiply
    83,424.38x = 125,184.47 × 82,747.31
  4. Step 4: Simplify right side
    83,424.38x = 10,358,677,106.62
  5. Step 5: Solve for x
    x = 10,358,677,106.62/83,424.38
  6. Step 6: Final answer
    x = 124,168.47

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1.5x scale

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.