Home / 67,998.76-102,039.18-48,439.96

Finding the Fourth Proportional to 67,998.76, 102,039.18 and 48,439.96

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Solution

The fourth proportional to 67,998.76, 102,039.18 and 48,439.96 is: 72,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,998.76 : 102,039.18 = 48,439.96 : x
  2. Step 2: Convert to fraction form
    67,998.76/102,039.18 = 48,439.96/x
  3. Step 3: Cross multiply
    67,998.76x = 102,039.18 × 48,439.96
  4. Step 4: Simplify right side
    67,998.76x = 4,942,773,797.63
  5. Step 5: Solve for x
    x = 4,942,773,797.63/67,998.76
  6. Step 6: Final answer
    x = 72,689.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.