Home / 80,617.35-111,209.45-47,893.08

Finding the Fourth Proportional to 80,617.35, 111,209.45 and 47,893.08

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Solution

The fourth proportional to 80,617.35, 111,209.45 and 47,893.08 is: 66,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617.35 : 111,209.45 = 47,893.08 : x
  2. Step 2: Convert to fraction form
    80,617.35/111,209.45 = 47,893.08/x
  3. Step 3: Cross multiply
    80,617.35x = 111,209.45 × 47,893.08
  4. Step 4: Simplify right side
    80,617.35x = 5,326,162,846.14
  5. Step 5: Solve for x
    x = 5,326,162,846.14/80,617.35
  6. Step 6: Final answer
    x = 66,067.20

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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.