Home / 84,341.34-126,531.09-25,174.80

Finding the Fourth Proportional to 84,341.34, 126,531.09 and 25,174.80

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Solution

The fourth proportional to 84,341.34, 126,531.09 and 25,174.80 is: 37,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341.34 : 126,531.09 = 25,174.80 : x
  2. Step 2: Convert to fraction form
    84,341.34/126,531.09 = 25,174.80/x
  3. Step 3: Cross multiply
    84,341.34x = 126,531.09 × 25,174.80
  4. Step 4: Simplify right side
    84,341.34x = 3,185,394,884.53
  5. Step 5: Solve for x
    x = 3,185,394,884.53/84,341.34
  6. Step 6: Final answer
    x = 37,767.90

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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.