Home / 83,847.23-115,725.60-48,061.20

Finding the Fourth Proportional to 83,847.23, 115,725.60 and 48,061.20

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Solution

The fourth proportional to 83,847.23, 115,725.60 and 48,061.20 is: 66,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,847.23 : 115,725.60 = 48,061.20 : x
  2. Step 2: Convert to fraction form
    83,847.23/115,725.60 = 48,061.20/x
  3. Step 3: Cross multiply
    83,847.23x = 115,725.60 × 48,061.20
  4. Step 4: Simplify right side
    83,847.23x = 5,561,911,206.72
  5. Step 5: Solve for x
    x = 5,561,911,206.72/83,847.23
  6. Step 6: Final answer
    x = 66,333.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.