Home / 75,016.12-112,528.30-22,429.70

Finding the Fourth Proportional to 75,016.12, 112,528.30 and 22,429.70

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Solution

The fourth proportional to 75,016.12, 112,528.30 and 22,429.70 is: 33,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,016.12 : 112,528.30 = 22,429.70 : x
  2. Step 2: Convert to fraction form
    75,016.12/112,528.30 = 22,429.70/x
  3. Step 3: Cross multiply
    75,016.12x = 112,528.30 × 22,429.70
  4. Step 4: Simplify right side
    75,016.12x = 2,523,976,010.51
  5. Step 5: Solve for x
    x = 2,523,976,010.51/75,016.12
  6. Step 6: Final answer
    x = 33,645.78

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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.