Home / 74,454.12-102,851.28-67,727.88

Finding the Fourth Proportional to 74,454.12, 102,851.28 and 67,727.88

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Solution

The fourth proportional to 74,454.12, 102,851.28 and 67,727.88 is: 93,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,454.12 : 102,851.28 = 67,727.88 : x
  2. Step 2: Convert to fraction form
    74,454.12/102,851.28 = 67,727.88/x
  3. Step 3: Cross multiply
    74,454.12x = 102,851.28 × 67,727.88
  4. Step 4: Simplify right side
    74,454.12x = 6,965,899,149.69
  5. Step 5: Solve for x
    x = 6,965,899,149.69/74,454.12
  6. Step 6: Final answer
    x = 93,559.62

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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.