Home / 91,676.12-137,514.28-25,116.80

Finding the Fourth Proportional to 91,676.12, 137,514.28 and 25,116.80

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Solution

The fourth proportional to 91,676.12, 137,514.28 and 25,116.80 is: 37,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,676.12 : 137,514.28 = 25,116.80 : x
  2. Step 2: Convert to fraction form
    91,676.12/137,514.28 = 25,116.80/x
  3. Step 3: Cross multiply
    91,676.12x = 137,514.28 × 25,116.80
  4. Step 4: Simplify right side
    91,676.12x = 3,453,918,667.90
  5. Step 5: Solve for x
    x = 3,453,918,667.90/91,676.12
  6. Step 6: Final answer
    x = 37,675.23

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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.