Home / 79,513.32-109,726.54-43,213.92

Finding the Fourth Proportional to 79,513.32, 109,726.54 and 43,213.92

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Solution

The fourth proportional to 79,513.32, 109,726.54 and 43,213.92 is: 59,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,513.32 : 109,726.54 = 43,213.92 : x
  2. Step 2: Convert to fraction form
    79,513.32/109,726.54 = 43,213.92/x
  3. Step 3: Cross multiply
    79,513.32x = 109,726.54 × 43,213.92
  4. Step 4: Simplify right side
    79,513.32x = 4,741,713,921.44
  5. Step 5: Solve for x
    x = 4,741,713,921.44/79,513.32
  6. Step 6: Final answer
    x = 59,634.21

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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.