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Finding the Fourth Proportional to 67,605.60, 101,378.81 and 32,077.06

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Solution

The fourth proportional to 67,605.60, 101,378.81 and 32,077.06 is: 48,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,605.60 : 101,378.81 = 32,077.06 : x
  2. Step 2: Convert to fraction form
    67,605.60/101,378.81 = 32,077.06/x
  3. Step 3: Cross multiply
    67,605.60x = 101,378.81 × 32,077.06
  4. Step 4: Simplify right side
    67,605.60x = 3,251,933,997.84
  5. Step 5: Solve for x
    x = 3,251,933,997.84/67,605.60
  6. Step 6: Final answer
    x = 48,101.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.