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Finding the Fourth Proportional to 73,634.64, 101,618.68 and 41,806.50

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Solution

The fourth proportional to 73,634.64, 101,618.68 and 41,806.50 is: 57,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,634.64 : 101,618.68 = 41,806.50 : x
  2. Step 2: Convert to fraction form
    73,634.64/101,618.68 = 41,806.50/x
  3. Step 3: Cross multiply
    73,634.64x = 101,618.68 × 41,806.50
  4. Step 4: Simplify right side
    73,634.64x = 4,248,321,345.42
  5. Step 5: Solve for x
    x = 4,248,321,345.42/73,634.64
  6. Step 6: Final answer
    x = 57,694.60

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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.