Home / 84,561.26-126,840.97-25,394.40

Finding the Fourth Proportional to 84,561.26, 126,840.97 and 25,394.40

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Solution

The fourth proportional to 84,561.26, 126,840.97 and 25,394.40 is: 38,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,561.26 : 126,840.97 = 25,394.40 : x
  2. Step 2: Convert to fraction form
    84,561.26/126,840.97 = 25,394.40/x
  3. Step 3: Cross multiply
    84,561.26x = 126,840.97 × 25,394.40
  4. Step 4: Simplify right side
    84,561.26x = 3,221,050,201.60
  5. Step 5: Solve for x
    x = 3,221,050,201.60/84,561.26
  6. Step 6: Final answer
    x = 38,091.32

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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.