Home / 79,742.78-110,045.07-43,932.47

Finding the Fourth Proportional to 79,742.78, 110,045.07 and 43,932.47

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Solution

The fourth proportional to 79,742.78, 110,045.07 and 43,932.47 is: 60,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,742.78 : 110,045.07 = 43,932.47 : x
  2. Step 2: Convert to fraction form
    79,742.78/110,045.07 = 43,932.47/x
  3. Step 3: Cross multiply
    79,742.78x = 110,045.07 × 43,932.47
  4. Step 4: Simplify right side
    79,742.78x = 4,834,551,516.76
  5. Step 5: Solve for x
    x = 4,834,551,516.76/79,742.78
  6. Step 6: Final answer
    x = 60,626.83

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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.