Home / 79,318.56-109,459.62-43,508.66

Finding the Fourth Proportional to 79,318.56, 109,459.62 and 43,508.66

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Solution

The fourth proportional to 79,318.56, 109,459.62 and 43,508.66 is: 60,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.56 : 109,459.62 = 43,508.66 : x
  2. Step 2: Convert to fraction form
    79,318.56/109,459.62 = 43,508.66/x
  3. Step 3: Cross multiply
    79,318.56x = 109,459.62 × 43,508.66
  4. Step 4: Simplify right side
    79,318.56x = 4,762,441,390.31
  5. Step 5: Solve for x
    x = 4,762,441,390.31/79,318.56
  6. Step 6: Final answer
    x = 60,041.95

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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.