Home / 68,067.95-93,868.61-40,839.80

Finding the Fourth Proportional to 68,067.95, 93,868.61 and 40,839.80

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Solution

The fourth proportional to 68,067.95, 93,868.61 and 40,839.80 is: 56,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,067.95 : 93,868.61 = 40,839.80 : x
  2. Step 2: Convert to fraction form
    68,067.95/93,868.61 = 40,839.80/x
  3. Step 3: Cross multiply
    68,067.95x = 93,868.61 × 40,839.80
  4. Step 4: Simplify right side
    68,067.95x = 3,833,574,585.14
  5. Step 5: Solve for x
    x = 3,833,574,585.14/68,067.95
  6. Step 6: Final answer
    x = 56,319.82

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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.