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Finding the Fourth Proportional to 60,944.31, 84,102.65 and 34,086.80

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Solution

The fourth proportional to 60,944.31, 84,102.65 and 34,086.80 is: 47,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,944.31 : 84,102.65 = 34,086.80 : x
  2. Step 2: Convert to fraction form
    60,944.31/84,102.65 = 34,086.80/x
  3. Step 3: Cross multiply
    60,944.31x = 84,102.65 × 34,086.80
  4. Step 4: Simplify right side
    60,944.31x = 2,866,790,210.02
  5. Step 5: Solve for x
    x = 2,866,790,210.02/60,944.31
  6. Step 6: Final answer
    x = 47,039.51

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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.