Home / 100,723.38-151,054.13-33,242.99

Finding the Fourth Proportional to 100,723.38, 151,054.13 and 33,242.99

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Solution

The fourth proportional to 100,723.38, 151,054.13 and 33,242.99 is: 49,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,723.38 : 151,054.13 = 33,242.99 : x
  2. Step 2: Convert to fraction form
    100,723.38/151,054.13 = 33,242.99/x
  3. Step 3: Cross multiply
    100,723.38x = 151,054.13 × 33,242.99
  4. Step 4: Simplify right side
    100,723.38x = 5,021,490,011.56
  5. Step 5: Solve for x
    x = 5,021,490,011.56/100,723.38
  6. Step 6: Final answer
    x = 49,854.26

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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.