Home / 83,817.72-115,659.36-48,004.20

Finding the Fourth Proportional to 83,817.72, 115,659.36 and 48,004.20

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Solution

The fourth proportional to 83,817.72, 115,659.36 and 48,004.20 is: 66,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,817.72 : 115,659.36 = 48,004.20 : x
  2. Step 2: Convert to fraction form
    83,817.72/115,659.36 = 48,004.20/x
  3. Step 3: Cross multiply
    83,817.72x = 115,659.36 × 48,004.20
  4. Step 4: Simplify right side
    83,817.72x = 5,552,135,049.31
  5. Step 5: Solve for x
    x = 5,552,135,049.31/83,817.72
  6. Step 6: Final answer
    x = 66,240.59

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1.5x scale

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.