Home / 68,344.68-94,313.52-40,069.20

Finding the Fourth Proportional to 68,344.68, 94,313.52 and 40,069.20

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Solution

The fourth proportional to 68,344.68, 94,313.52 and 40,069.20 is: 55,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.68 : 94,313.52 = 40,069.20 : x
  2. Step 2: Convert to fraction form
    68,344.68/94,313.52 = 40,069.20/x
  3. Step 3: Cross multiply
    68,344.68x = 94,313.52 × 40,069.20
  4. Step 4: Simplify right side
    68,344.68x = 3,779,067,295.58
  5. Step 5: Solve for x
    x = 3,779,067,295.58/68,344.68
  6. Step 6: Final answer
    x = 55,294.24

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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.