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Finding the Fourth Proportional to 73,659.65, 101,647.01 and 43,035.57

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Solution

The fourth proportional to 73,659.65, 101,647.01 and 43,035.57 is: 59,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,659.65 : 101,647.01 = 43,035.57 : x
  2. Step 2: Convert to fraction form
    73,659.65/101,647.01 = 43,035.57/x
  3. Step 3: Cross multiply
    73,659.65x = 101,647.01 × 43,035.57
  4. Step 4: Simplify right side
    73,659.65x = 4,374,437,121.73
  5. Step 5: Solve for x
    x = 4,374,437,121.73/73,659.65
  6. Step 6: Final answer
    x = 59,387.16

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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.