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Finding the Fourth Proportional to 70,336.72, 97,064.67 and 38,505.62

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Solution

The fourth proportional to 70,336.72, 97,064.67 and 38,505.62 is: 53,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,336.72 : 97,064.67 = 38,505.62 : x
  2. Step 2: Convert to fraction form
    70,336.72/97,064.67 = 38,505.62/x
  3. Step 3: Cross multiply
    70,336.72x = 97,064.67 × 38,505.62
  4. Step 4: Simplify right side
    70,336.72x = 3,737,534,732.27
  5. Step 5: Solve for x
    x = 3,737,534,732.27/70,336.72
  6. Step 6: Final answer
    x = 53,137.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.