Home / 76,679.97-115,031.57-24,084.51

Finding the Fourth Proportional to 76,679.97, 115,031.57 and 24,084.51

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Solution

The fourth proportional to 76,679.97, 115,031.57 and 24,084.51 is: 36,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,679.97 : 115,031.57 = 24,084.51 : x
  2. Step 2: Convert to fraction form
    76,679.97/115,031.57 = 24,084.51/x
  3. Step 3: Cross multiply
    76,679.97x = 115,031.57 × 24,084.51
  4. Step 4: Simplify right side
    76,679.97x = 2,770,478,877.56
  5. Step 5: Solve for x
    x = 2,770,478,877.56/76,679.97
  6. Step 6: Final answer
    x = 36,130.41

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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.