Home / 67,723.11-93,458.58-40,860.43

Finding the Fourth Proportional to 67,723.11, 93,458.58 and 40,860.43

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Solution

The fourth proportional to 67,723.11, 93,458.58 and 40,860.43 is: 56,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,723.11 : 93,458.58 = 40,860.43 : x
  2. Step 2: Convert to fraction form
    67,723.11/93,458.58 = 40,860.43/x
  3. Step 3: Cross multiply
    67,723.11x = 93,458.58 × 40,860.43
  4. Step 4: Simplify right side
    67,723.11x = 3,818,757,868.14
  5. Step 5: Solve for x
    x = 3,818,757,868.14/67,723.11
  6. Step 6: Final answer
    x = 56,387.81

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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.