Home / 79,066.11-109,073.54-48,840.56

Finding the Fourth Proportional to 79,066.11, 109,073.54 and 48,840.56

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Solution

The fourth proportional to 79,066.11, 109,073.54 and 48,840.56 is: 67,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,066.11 : 109,073.54 = 48,840.56 : x
  2. Step 2: Convert to fraction form
    79,066.11/109,073.54 = 48,840.56/x
  3. Step 3: Cross multiply
    79,066.11x = 109,073.54 × 48,840.56
  4. Step 4: Simplify right side
    79,066.11x = 5,327,212,351.52
  5. Step 5: Solve for x
    x = 5,327,212,351.52/79,066.11
  6. Step 6: Final answer
    x = 67,376.68

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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.