Home / 67,729.48-93,470.06-40,871.54

Finding the Fourth Proportional to 67,729.48, 93,470.06 and 40,871.54

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Solution

The fourth proportional to 67,729.48, 93,470.06 and 40,871.54 is: 56,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.48 : 93,470.06 = 40,871.54 : x
  2. Step 2: Convert to fraction form
    67,729.48/93,470.06 = 40,871.54/x
  3. Step 3: Cross multiply
    67,729.48x = 93,470.06 × 40,871.54
  4. Step 4: Simplify right side
    67,729.48x = 3,820,265,296.09
  5. Step 5: Solve for x
    x = 3,820,265,296.09/67,729.48
  6. Step 6: Final answer
    x = 56,404.76

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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.