Home / 73,186.05-100,996.92-40,921.83

Finding the Fourth Proportional to 73,186.05, 100,996.92 and 40,921.83

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Solution

The fourth proportional to 73,186.05, 100,996.92 and 40,921.83 is: 56,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,186.05 : 100,996.92 = 40,921.83 : x
  2. Step 2: Convert to fraction form
    73,186.05/100,996.92 = 40,921.83/x
  3. Step 3: Cross multiply
    73,186.05x = 100,996.92 × 40,921.83
  4. Step 4: Simplify right side
    73,186.05x = 4,132,978,081.17
  5. Step 5: Solve for x
    x = 4,132,978,081.17/73,186.05
  6. Step 6: Final answer
    x = 56,472.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.