Home / 71,923.11-107,941.16-49,891.51

Finding the Fourth Proportional to 71,923.11, 107,941.16 and 49,891.51

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Solution

The fourth proportional to 71,923.11, 107,941.16 and 49,891.51 is: 74,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,923.11 : 107,941.16 = 49,891.51 : x
  2. Step 2: Convert to fraction form
    71,923.11/107,941.16 = 49,891.51/x
  3. Step 3: Cross multiply
    71,923.11x = 107,941.16 × 49,891.51
  4. Step 4: Simplify right side
    71,923.11x = 5,385,347,463.55
  5. Step 5: Solve for x
    x = 5,385,347,463.55/71,923.11
  6. Step 6: Final answer
    x = 74,876.45

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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.