Home / 84,171.68-126,425.60-52,637.84

Finding the Fourth Proportional to 84,171.68, 126,425.60 and 52,637.84

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Solution

The fourth proportional to 84,171.68, 126,425.60 and 52,637.84 is: 79,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.68 : 126,425.60 = 52,637.84 : x
  2. Step 2: Convert to fraction form
    84,171.68/126,425.60 = 52,637.84/x
  3. Step 3: Cross multiply
    84,171.68x = 126,425.60 × 52,637.84
  4. Step 4: Simplify right side
    84,171.68x = 6,654,770,504.70
  5. Step 5: Solve for x
    x = 6,654,770,504.70/84,171.68
  6. Step 6: Final answer
    x = 79,061.87

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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.