Home / 71,926.12-107,945.67-49,894.51

Finding the Fourth Proportional to 71,926.12, 107,945.67 and 49,894.51

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Solution

The fourth proportional to 71,926.12, 107,945.67 and 49,894.51 is: 74,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,926.12 : 107,945.67 = 49,894.51 : x
  2. Step 2: Convert to fraction form
    71,926.12/107,945.67 = 49,894.51/x
  3. Step 3: Cross multiply
    71,926.12x = 107,945.67 × 49,894.51
  4. Step 4: Simplify right side
    71,926.12x = 5,385,896,311.27
  5. Step 5: Solve for x
    x = 5,385,896,311.27/71,926.12
  6. Step 6: Final answer
    x = 74,880.95

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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.