Home / 73,213.20-101,040.48-41,387.76

Finding the Fourth Proportional to 73,213.20, 101,040.48 and 41,387.76

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Solution

The fourth proportional to 73,213.20, 101,040.48 and 41,387.76 is: 57,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,213.20 : 101,040.48 = 41,387.76 : x
  2. Step 2: Convert to fraction form
    73,213.20/101,040.48 = 41,387.76/x
  3. Step 3: Cross multiply
    73,213.20x = 101,040.48 × 41,387.76
  4. Step 4: Simplify right side
    73,213.20x = 4,181,839,136.52
  5. Step 5: Solve for x
    x = 4,181,839,136.52/73,213.20
  6. Step 6: Final answer
    x = 57,118.65

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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.