Home / 71,922.94-99,252.74-40,091.76

Finding the Fourth Proportional to 71,922.94, 99,252.74 and 40,091.76

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Solution

The fourth proportional to 71,922.94, 99,252.74 and 40,091.76 is: 55,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.94 : 99,252.74 = 40,091.76 : x
  2. Step 2: Convert to fraction form
    71,922.94/99,252.74 = 40,091.76/x
  3. Step 3: Cross multiply
    71,922.94x = 99,252.74 × 40,091.76
  4. Step 4: Simplify right side
    71,922.94x = 3,979,217,131.65
  5. Step 5: Solve for x
    x = 3,979,217,131.65/71,922.94
  6. Step 6: Final answer
    x = 55,326.12

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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.