Home / 72,723.36-109,074.12-25,345.68

Finding the Fourth Proportional to 72,723.36, 109,074.12 and 25,345.68

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Solution

The fourth proportional to 72,723.36, 109,074.12 and 25,345.68 is: 38,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,723.36 : 109,074.12 = 25,345.68 : x
  2. Step 2: Convert to fraction form
    72,723.36/109,074.12 = 25,345.68/x
  3. Step 3: Cross multiply
    72,723.36x = 109,074.12 × 25,345.68
  4. Step 4: Simplify right side
    72,723.36x = 2,764,557,741.80
  5. Step 5: Solve for x
    x = 2,764,557,741.80/72,723.36
  6. Step 6: Final answer
    x = 38,014.71

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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.