Home / 125,535.76-173,197.18-71,080.51

Finding the Fourth Proportional to 125,535.76, 173,197.18 and 71,080.51

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Solution

The fourth proportional to 125,535.76, 173,197.18 and 71,080.51 is: 98,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,535.76 : 173,197.18 = 71,080.51 : x
  2. Step 2: Convert to fraction form
    125,535.76/173,197.18 = 71,080.51/x
  3. Step 3: Cross multiply
    125,535.76x = 173,197.18 × 71,080.51
  4. Step 4: Simplify right side
    125,535.76x = 12,310,943,540.82
  5. Step 5: Solve for x
    x = 12,310,943,540.82/125,535.76
  6. Step 6: Final answer
    x = 98,067.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.