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Finding the Fourth Proportional to 73,455.75, 101,368.94 and 43,647.75

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Solution

The fourth proportional to 73,455.75, 101,368.94 and 43,647.75 is: 60,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,455.75 : 101,368.94 = 43,647.75 : x
  2. Step 2: Convert to fraction form
    73,455.75/101,368.94 = 43,647.75/x
  3. Step 3: Cross multiply
    73,455.75x = 101,368.94 × 43,647.75
  4. Step 4: Simplify right side
    73,455.75x = 4,424,525,932.65
  5. Step 5: Solve for x
    x = 4,424,525,932.65/73,455.75
  6. Step 6: Final answer
    x = 60,233.90

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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.