Home / 83,683.32-125,524.90-21,353.82

Finding the Fourth Proportional to 83,683.32, 125,524.90 and 21,353.82

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Solution

The fourth proportional to 83,683.32, 125,524.90 and 21,353.82 is: 32,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,683.32 : 125,524.90 = 21,353.82 : x
  2. Step 2: Convert to fraction form
    83,683.32/125,524.90 = 21,353.82/x
  3. Step 3: Cross multiply
    83,683.32x = 125,524.90 × 21,353.82
  4. Step 4: Simplify right side
    83,683.32x = 2,680,436,120.12
  5. Step 5: Solve for x
    x = 2,680,436,120.12/83,683.32
  6. Step 6: Final answer
    x = 32,030.71

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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.