Home / 68,723.52-94,857.14-40,438.32

Finding the Fourth Proportional to 68,723.52, 94,857.14 and 40,438.32

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Solution

The fourth proportional to 68,723.52, 94,857.14 and 40,438.32 is: 55,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.52 : 94,857.14 = 40,438.32 : x
  2. Step 2: Convert to fraction form
    68,723.52/94,857.14 = 40,438.32/x
  3. Step 3: Cross multiply
    68,723.52x = 94,857.14 × 40,438.32
  4. Step 4: Simplify right side
    68,723.52x = 3,835,863,381.60
  5. Step 5: Solve for x
    x = 3,835,863,381.60/68,723.52
  6. Step 6: Final answer
    x = 55,815.87

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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.