Home / 76,691.45-115,056.26-60,955.85

Finding the Fourth Proportional to 76,691.45, 115,056.26 and 60,955.85

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Solution

The fourth proportional to 76,691.45, 115,056.26 and 60,955.85 is: 91,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691.45 : 115,056.26 = 60,955.85 : x
  2. Step 2: Convert to fraction form
    76,691.45/115,056.26 = 60,955.85/x
  3. Step 3: Cross multiply
    76,691.45x = 115,056.26 × 60,955.85
  4. Step 4: Simplify right side
    76,691.45x = 7,013,352,126.12
  5. Step 5: Solve for x
    x = 7,013,352,126.12/76,691.45
  6. Step 6: Final answer
    x = 91,448.94

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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.