Home / 73,078.68-109,651.85-39,759.05

Finding the Fourth Proportional to 73,078.68, 109,651.85 and 39,759.05

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Solution

The fourth proportional to 73,078.68, 109,651.85 and 39,759.05 is: 59,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,078.68 : 109,651.85 = 39,759.05 : x
  2. Step 2: Convert to fraction form
    73,078.68/109,651.85 = 39,759.05/x
  3. Step 3: Cross multiply
    73,078.68x = 109,651.85 × 39,759.05
  4. Step 4: Simplify right side
    73,078.68x = 4,359,653,723.00
  5. Step 5: Solve for x
    x = 4,359,653,723.00/73,078.68
  6. Step 6: Final answer
    x = 59,656.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.