Home / 76,932.56-106,171.08-43,397.84

Finding the Fourth Proportional to 76,932.56, 106,171.08 and 43,397.84

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Solution

The fourth proportional to 76,932.56, 106,171.08 and 43,397.84 is: 59,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,932.56 : 106,171.08 = 43,397.84 : x
  2. Step 2: Convert to fraction form
    76,932.56/106,171.08 = 43,397.84/x
  3. Step 3: Cross multiply
    76,932.56x = 106,171.08 × 43,397.84
  4. Step 4: Simplify right side
    76,932.56x = 4,607,595,542.47
  5. Step 5: Solve for x
    x = 4,607,595,542.47/76,932.56
  6. Step 6: Final answer
    x = 59,891.36

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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.