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Finding the Fourth Proportional to 62.93, 93.89 and 56.09

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Solution

The fourth proportional to 62.93, 93.89 and 56.09 is: 83.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.93 : 93.89 = 56.09 : x
  2. Step 2: Convert to fraction form
    62.93/93.89 = 56.09/x
  3. Step 3: Cross multiply
    62.93x = 93.89 × 56.09
  4. Step 4: Simplify right side
    62.93x = 5,265.54
  5. Step 5: Solve for x
    x = 5,265.54/62.93
  6. Step 6: Final answer
    x = 83.68

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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.