Home / 115,072.90-172,626.36-58,944.76

Finding the Fourth Proportional to 115,072.90, 172,626.36 and 58,944.76

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Solution

The fourth proportional to 115,072.90, 172,626.36 and 58,944.76 is: 88,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,072.90 : 172,626.36 = 58,944.76 : x
  2. Step 2: Convert to fraction form
    115,072.90/172,626.36 = 58,944.76/x
  3. Step 3: Cross multiply
    115,072.90x = 172,626.36 × 58,944.76
  4. Step 4: Simplify right side
    115,072.90x = 10,175,419,359.87
  5. Step 5: Solve for x
    x = 10,175,419,359.87/115,072.90
  6. Step 6: Final answer
    x = 88,425.85

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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.