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Finding the Fourth Proportional to 50.34, 75.10 and 48.95

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Solution

The fourth proportional to 50.34, 75.10 and 48.95 is: 73.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.34 : 75.10 = 48.95 : x
  2. Step 2: Convert to fraction form
    50.34/75.10 = 48.95/x
  3. Step 3: Cross multiply
    50.34x = 75.10 × 48.95
  4. Step 4: Simplify right side
    50.34x = 3,676.06
  5. Step 5: Solve for x
    x = 3,676.06/50.34
  6. Step 6: Final answer
    x = 73.02

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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.