Home / 84,249.38-126,331.82-28,069.74

Finding the Fourth Proportional to 84,249.38, 126,331.82 and 28,069.74

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Solution

The fourth proportional to 84,249.38, 126,331.82 and 28,069.74 is: 42,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249.38 : 126,331.82 = 28,069.74 : x
  2. Step 2: Convert to fraction form
    84,249.38/126,331.82 = 28,069.74/x
  3. Step 3: Cross multiply
    84,249.38x = 126,331.82 × 28,069.74
  4. Step 4: Simplify right side
    84,249.38x = 3,546,101,341.13
  5. Step 5: Solve for x
    x = 3,546,101,341.13/84,249.38
  6. Step 6: Final answer
    x = 42,090.53

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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.