Home / 75,275.10-112,906.86-27,867.96

Finding the Fourth Proportional to 75,275.10, 112,906.86 and 27,867.96

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Solution

The fourth proportional to 75,275.10, 112,906.86 and 27,867.96 is: 41,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.10 : 112,906.86 = 27,867.96 : x
  2. Step 2: Convert to fraction form
    75,275.10/112,906.86 = 27,867.96/x
  3. Step 3: Cross multiply
    75,275.10x = 112,906.86 × 27,867.96
  4. Step 4: Simplify right side
    75,275.10x = 3,146,483,858.21
  5. Step 5: Solve for x
    x = 3,146,483,858.21/75,275.10
  6. Step 6: Final answer
    x = 41,799.80

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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.