Home / 84,098.14-126,147.22-39,729.38

Finding the Fourth Proportional to 84,098.14, 126,147.22 and 39,729.38

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Solution

The fourth proportional to 84,098.14, 126,147.22 and 39,729.38 is: 59,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098.14 : 126,147.22 = 39,729.38 : x
  2. Step 2: Convert to fraction form
    84,098.14/126,147.22 = 39,729.38/x
  3. Step 3: Cross multiply
    84,098.14x = 126,147.22 × 39,729.38
  4. Step 4: Simplify right side
    84,098.14x = 5,011,750,109.26
  5. Step 5: Solve for x
    x = 5,011,750,109.26/84,098.14
  6. Step 6: Final answer
    x = 59,594.07

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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.