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Finding the Fourth Proportional to 70,099.72, 96,737.10 and 38,268.61

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Solution

The fourth proportional to 70,099.72, 96,737.10 and 38,268.61 is: 52,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,099.72 : 96,737.10 = 38,268.61 : x
  2. Step 2: Convert to fraction form
    70,099.72/96,737.10 = 38,268.61/x
  3. Step 3: Cross multiply
    70,099.72x = 96,737.10 × 38,268.61
  4. Step 4: Simplify right side
    70,099.72x = 3,701,994,352.43
  5. Step 5: Solve for x
    x = 3,701,994,352.43/70,099.72
  6. Step 6: Final answer
    x = 52,810.40

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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.