Home / 75,251.07-112,920.54-28,507.59

Finding the Fourth Proportional to 75,251.07, 112,920.54 and 28,507.59

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Solution

The fourth proportional to 75,251.07, 112,920.54 and 28,507.59 is: 42,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,251.07 : 112,920.54 = 28,507.59 : x
  2. Step 2: Convert to fraction form
    75,251.07/112,920.54 = 28,507.59/x
  3. Step 3: Cross multiply
    75,251.07x = 112,920.54 × 28,507.59
  4. Step 4: Simplify right side
    75,251.07x = 3,219,092,456.90
  5. Step 5: Solve for x
    x = 3,219,092,456.90/75,251.07
  6. Step 6: Final answer
    x = 42,778.03

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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.