Home / 115,487.40-173,231.10-36,625.80

Finding the Fourth Proportional to 115,487.40, 173,231.10 and 36,625.80

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Solution

The fourth proportional to 115,487.40, 173,231.10 and 36,625.80 is: 54,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,487.40 : 173,231.10 = 36,625.80 : x
  2. Step 2: Convert to fraction form
    115,487.40/173,231.10 = 36,625.80/x
  3. Step 3: Cross multiply
    115,487.40x = 173,231.10 × 36,625.80
  4. Step 4: Simplify right side
    115,487.40x = 6,344,727,622.38
  5. Step 5: Solve for x
    x = 6,344,727,622.38/115,487.40
  6. Step 6: Final answer
    x = 54,938.70

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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.