Home / 109,310.32-150,844.30-61,568.11

Finding the Fourth Proportional to 109,310.32, 150,844.30 and 61,568.11

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Solution

The fourth proportional to 109,310.32, 150,844.30 and 61,568.11 is: 84,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,310.32 : 150,844.30 = 61,568.11 : x
  2. Step 2: Convert to fraction form
    109,310.32/150,844.30 = 61,568.11/x
  3. Step 3: Cross multiply
    109,310.32x = 150,844.30 × 61,568.11
  4. Step 4: Simplify right side
    109,310.32x = 9,287,198,455.27
  5. Step 5: Solve for x
    x = 9,287,198,455.27/109,310.32
  6. Step 6: Final answer
    x = 84,961.77

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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.