Home / 71,864.65-99,176.21-40,033.54

Finding the Fourth Proportional to 71,864.65, 99,176.21 and 40,033.54

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Solution

The fourth proportional to 71,864.65, 99,176.21 and 40,033.54 is: 55,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,864.65 : 99,176.21 = 40,033.54 : x
  2. Step 2: Convert to fraction form
    71,864.65/99,176.21 = 40,033.54/x
  3. Step 3: Cross multiply
    71,864.65x = 99,176.21 × 40,033.54
  4. Step 4: Simplify right side
    71,864.65x = 3,970,374,770.08
  5. Step 5: Solve for x
    x = 3,970,374,770.08/71,864.65
  6. Step 6: Final answer
    x = 55,247.95

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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.