Home / 75,296.06-112,920.52-27,258.61

Finding the Fourth Proportional to 75,296.06, 112,920.52 and 27,258.61

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Solution

The fourth proportional to 75,296.06, 112,920.52 and 27,258.61 is: 40,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.06 : 112,920.52 = 27,258.61 : x
  2. Step 2: Convert to fraction form
    75,296.06/112,920.52 = 27,258.61/x
  3. Step 3: Cross multiply
    75,296.06x = 112,920.52 × 27,258.61
  4. Step 4: Simplify right side
    75,296.06x = 3,078,055,714.78
  5. Step 5: Solve for x
    x = 3,078,055,714.78/75,296.06
  6. Step 6: Final answer
    x = 40,879.37

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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.