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Finding the Fourth Proportional to 50.73, 75.68 and 48.04

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Solution

The fourth proportional to 50.73, 75.68 and 48.04 is: 71.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.73 : 75.68 = 48.04 : x
  2. Step 2: Convert to fraction form
    50.73/75.68 = 48.04/x
  3. Step 3: Cross multiply
    50.73x = 75.68 × 48.04
  4. Step 4: Simplify right side
    50.73x = 3,636.11
  5. Step 5: Solve for x
    x = 3,636.11/50.73
  6. Step 6: Final answer
    x = 71.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.