Home / 84,908.20-117,170.86-48,608.42

Finding the Fourth Proportional to 84,908.20, 117,170.86 and 48,608.42

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Solution

The fourth proportional to 84,908.20, 117,170.86 and 48,608.42 is: 67,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,908.20 : 117,170.86 = 48,608.42 : x
  2. Step 2: Convert to fraction form
    84,908.20/117,170.86 = 48,608.42/x
  3. Step 3: Cross multiply
    84,908.20x = 117,170.86 × 48,608.42
  4. Step 4: Simplify right side
    84,908.20x = 5,695,490,374.64
  5. Step 5: Solve for x
    x = 5,695,490,374.64/84,908.20
  6. Step 6: Final answer
    x = 67,078.21

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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.