Home / 75,221.62-112,908.38-33,120.46

Finding the Fourth Proportional to 75,221.62, 112,908.38 and 33,120.46

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Solution

The fourth proportional to 75,221.62, 112,908.38 and 33,120.46 is: 49,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,221.62 : 112,908.38 = 33,120.46 : x
  2. Step 2: Convert to fraction form
    75,221.62/112,908.38 = 33,120.46/x
  3. Step 3: Cross multiply
    75,221.62x = 112,908.38 × 33,120.46
  4. Step 4: Simplify right side
    75,221.62x = 3,739,577,483.45
  5. Step 5: Solve for x
    x = 3,739,577,483.45/75,221.62
  6. Step 6: Final answer
    x = 49,714.13

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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.