Home / 84,070.09-126,073.68-27,899.72

Finding the Fourth Proportional to 84,070.09, 126,073.68 and 27,899.72

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Solution

The fourth proportional to 84,070.09, 126,073.68 and 27,899.72 is: 41,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070.09 : 126,073.68 = 27,899.72 : x
  2. Step 2: Convert to fraction form
    84,070.09/126,073.68 = 27,899.72/x
  3. Step 3: Cross multiply
    84,070.09x = 126,073.68 × 27,899.72
  4. Step 4: Simplify right side
    84,070.09x = 3,517,420,371.37
  5. Step 5: Solve for x
    x = 3,517,420,371.37/84,070.09
  6. Step 6: Final answer
    x = 41,839.14

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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.