Home / 78,732.11-108,646.38-44,736.11

Finding the Fourth Proportional to 78,732.11, 108,646.38 and 44,736.11

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Solution

The fourth proportional to 78,732.11, 108,646.38 and 44,736.11 is: 61,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732.11 : 108,646.38 = 44,736.11 : x
  2. Step 2: Convert to fraction form
    78,732.11/108,646.38 = 44,736.11/x
  3. Step 3: Cross multiply
    78,732.11x = 108,646.38 × 44,736.11
  4. Step 4: Simplify right side
    78,732.11x = 4,860,415,863.55
  5. Step 5: Solve for x
    x = 4,860,415,863.55/78,732.11
  6. Step 6: Final answer
    x = 61,733.59

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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.