Home / 84,513.12-126,769.56-33,934.92

Finding the Fourth Proportional to 84,513.12, 126,769.56 and 33,934.92

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Solution

The fourth proportional to 84,513.12, 126,769.56 and 33,934.92 is: 50,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,513.12 : 126,769.56 = 33,934.92 : x
  2. Step 2: Convert to fraction form
    84,513.12/126,769.56 = 33,934.92/x
  3. Step 3: Cross multiply
    84,513.12x = 126,769.56 × 33,934.92
  4. Step 4: Simplify right side
    84,513.12x = 4,301,914,877.04
  5. Step 5: Solve for x
    x = 4,301,914,877.04/84,513.12
  6. Step 6: Final answer
    x = 50,902.33

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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.