Home / 67,185.12-92,698.68-43,283.04

Finding the Fourth Proportional to 67,185.12, 92,698.68 and 43,283.04

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Solution

The fourth proportional to 67,185.12, 92,698.68 and 43,283.04 is: 59,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,185.12 : 92,698.68 = 43,283.04 : x
  2. Step 2: Convert to fraction form
    67,185.12/92,698.68 = 43,283.04/x
  3. Step 3: Cross multiply
    67,185.12x = 92,698.68 × 43,283.04
  4. Step 4: Simplify right side
    67,185.12x = 4,012,280,674.39
  5. Step 5: Solve for x
    x = 4,012,280,674.39/67,185.12
  6. Step 6: Final answer
    x = 59,719.78

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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.