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Finding the Fourth Proportional to 73.63, 101.63 and 47.83

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Solution

The fourth proportional to 73.63, 101.63 and 47.83 is: 66.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.63 : 101.63 = 47.83 : x
  2. Step 2: Convert to fraction form
    73.63/101.63 = 47.83/x
  3. Step 3: Cross multiply
    73.63x = 101.63 × 47.83
  4. Step 4: Simplify right side
    73.63x = 4,860.57
  5. Step 5: Solve for x
    x = 4,860.57/73.63
  6. Step 6: Final answer
    x = 66.02

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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.