Home / 67,084.98-92,536.11-39,842.55

Finding the Fourth Proportional to 67,084.98, 92,536.11 and 39,842.55

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Solution

The fourth proportional to 67,084.98, 92,536.11 and 39,842.55 is: 54,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,084.98 : 92,536.11 = 39,842.55 : x
  2. Step 2: Convert to fraction form
    67,084.98/92,536.11 = 39,842.55/x
  3. Step 3: Cross multiply
    67,084.98x = 92,536.11 × 39,842.55
  4. Step 4: Simplify right side
    67,084.98x = 3,686,874,589.48
  5. Step 5: Solve for x
    x = 3,686,874,589.48/67,084.98
  6. Step 6: Final answer
    x = 54,958.27

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1.5x scale

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.