Home / 84,771.90-127,067.63-40,304.72

Finding the Fourth Proportional to 84,771.90, 127,067.63 and 40,304.72

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Solution

The fourth proportional to 84,771.90, 127,067.63 and 40,304.72 is: 60,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,771.90 : 127,067.63 = 40,304.72 : x
  2. Step 2: Convert to fraction form
    84,771.90/127,067.63 = 40,304.72/x
  3. Step 3: Cross multiply
    84,771.90x = 127,067.63 × 40,304.72
  4. Step 4: Simplify right side
    84,771.90x = 5,121,425,364.36
  5. Step 5: Solve for x
    x = 5,121,425,364.36/84,771.90
  6. Step 6: Final answer
    x = 60,414.19

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1.5x scale

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.