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Finding the Fourth Proportional to 93.70, 124.52 and 93.70

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Solution

The fourth proportional to 93.70, 124.52 and 93.70 is: 124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.70 : 124.52 = 93.70 : x
  2. Step 2: Convert to fraction form
    93.70/124.52 = 93.70/x
  3. Step 3: Cross multiply
    93.70x = 124.52 × 93.70
  4. Step 4: Simplify right side
    93.70x = 11,667.52
  5. Step 5: Solve for x
    x = 11,667.52/93.70
  6. Step 6: Final answer
    x = 124.52

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.