Home / 75,217.25-112,825.87-30,864.89

Finding the Fourth Proportional to 75,217.25, 112,825.87 and 30,864.89

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Solution

The fourth proportional to 75,217.25, 112,825.87 and 30,864.89 is: 46,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.25 : 112,825.87 = 30,864.89 : x
  2. Step 2: Convert to fraction form
    75,217.25/112,825.87 = 30,864.89/x
  3. Step 3: Cross multiply
    75,217.25x = 112,825.87 × 30,864.89
  4. Step 4: Simplify right side
    75,217.25x = 3,482,357,502.57
  5. Step 5: Solve for x
    x = 3,482,357,502.57/75,217.25
  6. Step 6: Final answer
    x = 46,297.33

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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.