Home / 84,380.33-126,570.50-25,214.09

Finding the Fourth Proportional to 84,380.33, 126,570.50 and 25,214.09

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Solution

The fourth proportional to 84,380.33, 126,570.50 and 25,214.09 is: 37,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,380.33 : 126,570.50 = 25,214.09 : x
  2. Step 2: Convert to fraction form
    84,380.33/126,570.50 = 25,214.09/x
  3. Step 3: Cross multiply
    84,380.33x = 126,570.50 × 25,214.09
  4. Step 4: Simplify right side
    84,380.33x = 3,191,359,313.97
  5. Step 5: Solve for x
    x = 3,191,359,313.97/84,380.33
  6. Step 6: Final answer
    x = 37,821.13

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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.