Home / 73,839.15-101,898-40,305.15

Finding the Fourth Proportional to 73,839.15, 101,898 and 40,305.15

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Solution

The fourth proportional to 73,839.15, 101,898 and 40,305.15 is: 55,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,839.15 : 101,898 = 40,305.15 : x
  2. Step 2: Convert to fraction form
    73,839.15/101,898 = 40,305.15/x
  3. Step 3: Cross multiply
    73,839.15x = 101,898 × 40,305.15
  4. Step 4: Simplify right side
    73,839.15x = 4,107,014,174.70
  5. Step 5: Solve for x
    x = 4,107,014,174.70/73,839.15
  6. Step 6: Final answer
    x = 55,621.09

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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.