Home / 79,312.97-109,452.06-43,503.28

Finding the Fourth Proportional to 79,312.97, 109,452.06 and 43,503.28

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Solution

The fourth proportional to 79,312.97, 109,452.06 and 43,503.28 is: 60,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,312.97 : 109,452.06 = 43,503.28 : x
  2. Step 2: Convert to fraction form
    79,312.97/109,452.06 = 43,503.28/x
  3. Step 3: Cross multiply
    79,312.97x = 109,452.06 × 43,503.28
  4. Step 4: Simplify right side
    79,312.97x = 4,761,523,339.13
  5. Step 5: Solve for x
    x = 4,761,523,339.13/79,312.97
  6. Step 6: Final answer
    x = 60,034.61

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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.