Home / 75,091.32-112,512.24-52,857.97

Finding the Fourth Proportional to 75,091.32, 112,512.24 and 52,857.97

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Solution

The fourth proportional to 75,091.32, 112,512.24 and 52,857.97 is: 79,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,091.32 : 112,512.24 = 52,857.97 : x
  2. Step 2: Convert to fraction form
    75,091.32/112,512.24 = 52,857.97/x
  3. Step 3: Cross multiply
    75,091.32x = 112,512.24 × 52,857.97
  4. Step 4: Simplify right side
    75,091.32x = 5,947,168,325.27
  5. Step 5: Solve for x
    x = 5,947,168,325.27/75,091.32
  6. Step 6: Final answer
    x = 79,199.14

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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.