Home / 84,246.71-126,327.80-28,067.06

Finding the Fourth Proportional to 84,246.71, 126,327.80 and 28,067.06

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Solution

The fourth proportional to 84,246.71, 126,327.80 and 28,067.06 is: 42,086.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,246.71 : 126,327.80 = 28,067.06 : x
  2. Step 2: Convert to fraction form
    84,246.71/126,327.80 = 28,067.06/x
  3. Step 3: Cross multiply
    84,246.71x = 126,327.80 × 28,067.06
  4. Step 4: Simplify right side
    84,246.71x = 3,545,649,170.29
  5. Step 5: Solve for x
    x = 3,545,649,170.29/84,246.71
  6. Step 6: Final answer
    x = 42,086.50

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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.