Home / 81,537.97-112,523.66-49,268.10

Finding the Fourth Proportional to 81,537.97, 112,523.66 and 49,268.10

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Solution

The fourth proportional to 81,537.97, 112,523.66 and 49,268.10 is: 67,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.97 : 112,523.66 = 49,268.10 : x
  2. Step 2: Convert to fraction form
    81,537.97/112,523.66 = 49,268.10/x
  3. Step 3: Cross multiply
    81,537.97x = 112,523.66 × 49,268.10
  4. Step 4: Simplify right side
    81,537.97x = 5,543,826,522.11
  5. Step 5: Solve for x
    x = 5,543,826,522.11/81,537.97
  6. Step 6: Final answer
    x = 67,990.74

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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.