Home / 76,175.38-114,220.34-52,186.79

Finding the Fourth Proportional to 76,175.38, 114,220.34 and 52,186.79

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Solution

The fourth proportional to 76,175.38, 114,220.34 and 52,186.79 is: 78,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,175.38 : 114,220.34 = 52,186.79 : x
  2. Step 2: Convert to fraction form
    76,175.38/114,220.34 = 52,186.79/x
  3. Step 3: Cross multiply
    76,175.38x = 114,220.34 × 52,186.79
  4. Step 4: Simplify right side
    76,175.38x = 5,960,792,921.93
  5. Step 5: Solve for x
    x = 5,960,792,921.93/76,175.38
  6. Step 6: Final answer
    x = 78,250.91

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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.