Home / 71,996.94-99,356.13-40,167.63

Finding the Fourth Proportional to 71,996.94, 99,356.13 and 40,167.63

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Solution

The fourth proportional to 71,996.94, 99,356.13 and 40,167.63 is: 55,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,996.94 : 99,356.13 = 40,167.63 : x
  2. Step 2: Convert to fraction form
    71,996.94/99,356.13 = 40,167.63/x
  3. Step 3: Cross multiply
    71,996.94x = 99,356.13 × 40,167.63
  4. Step 4: Simplify right side
    71,996.94x = 3,990,900,268.07
  5. Step 5: Solve for x
    x = 3,990,900,268.07/71,996.94
  6. Step 6: Final answer
    x = 55,431.53

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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.