Home / 83,680.92-125,521.43-52,538.04

Finding the Fourth Proportional to 83,680.92, 125,521.43 and 52,538.04

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Solution

The fourth proportional to 83,680.92, 125,521.43 and 52,538.04 is: 78,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,680.92 : 125,521.43 = 52,538.04 : x
  2. Step 2: Convert to fraction form
    83,680.92/125,521.43 = 52,538.04/x
  3. Step 3: Cross multiply
    83,680.92x = 125,521.43 × 52,538.04
  4. Step 4: Simplify right side
    83,680.92x = 6,594,649,647.51
  5. Step 5: Solve for x
    x = 6,594,649,647.51/83,680.92
  6. Step 6: Final answer
    x = 78,807.09

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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.