Home / 115,381.45-173,084.33-47,905.82

Finding the Fourth Proportional to 115,381.45, 173,084.33 and 47,905.82

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Solution

The fourth proportional to 115,381.45, 173,084.33 and 47,905.82 is: 71,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,381.45 : 173,084.33 = 47,905.82 : x
  2. Step 2: Convert to fraction form
    115,381.45/173,084.33 = 47,905.82/x
  3. Step 3: Cross multiply
    115,381.45x = 173,084.33 × 47,905.82
  4. Step 4: Simplify right side
    115,381.45x = 8,291,746,757.80
  5. Step 5: Solve for x
    x = 8,291,746,757.80/115,381.45
  6. Step 6: Final answer
    x = 71,863.78

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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.