Home / 91,517.18-137,243.59-27,456.22

Finding the Fourth Proportional to 91,517.18, 137,243.59 and 27,456.22

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Solution

The fourth proportional to 91,517.18, 137,243.59 and 27,456.22 is: 41,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,517.18 : 137,243.59 = 27,456.22 : x
  2. Step 2: Convert to fraction form
    91,517.18/137,243.59 = 27,456.22/x
  3. Step 3: Cross multiply
    91,517.18x = 137,243.59 × 27,456.22
  4. Step 4: Simplify right side
    91,517.18x = 3,768,189,514.41
  5. Step 5: Solve for x
    x = 3,768,189,514.41/91,517.18
  6. Step 6: Final answer
    x = 41,174.67

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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.