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Finding the Fourth Proportional to 75,379.65, 104,002.68 and 48,537.69

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Solution

The fourth proportional to 75,379.65, 104,002.68 and 48,537.69 is: 66,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.65 : 104,002.68 = 48,537.69 : x
  2. Step 2: Convert to fraction form
    75,379.65/104,002.68 = 48,537.69/x
  3. Step 3: Cross multiply
    75,379.65x = 104,002.68 × 48,537.69
  4. Step 4: Simplify right side
    75,379.65x = 5,048,049,841.01
  5. Step 5: Solve for x
    x = 5,048,049,841.01/75,379.65
  6. Step 6: Final answer
    x = 66,968.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.