Home / 112,062.12-168,120-32,101.20

Finding the Fourth Proportional to 112,062.12, 168,120 and 32,101.20

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Solution

The fourth proportional to 112,062.12, 168,120 and 32,101.20 is: 48,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,062.12 : 168,120 = 32,101.20 : x
  2. Step 2: Convert to fraction form
    112,062.12/168,120 = 32,101.20/x
  3. Step 3: Cross multiply
    112,062.12x = 168,120 × 32,101.20
  4. Step 4: Simplify right side
    112,062.12x = 5,396,853,744
  5. Step 5: Solve for x
    x = 5,396,853,744/112,062.12
  6. Step 6: Final answer
    x = 48,159.48

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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.