Home / 67,979.10-93,817.50-41,128.21

Finding the Fourth Proportional to 67,979.10, 93,817.50 and 41,128.21

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Solution

The fourth proportional to 67,979.10, 93,817.50 and 41,128.21 is: 56,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.10 : 93,817.50 = 41,128.21 : x
  2. Step 2: Convert to fraction form
    67,979.10/93,817.50 = 41,128.21/x
  3. Step 3: Cross multiply
    67,979.10x = 93,817.50 × 41,128.21
  4. Step 4: Simplify right side
    67,979.10x = 3,858,545,841.68
  5. Step 5: Solve for x
    x = 3,858,545,841.68/67,979.10
  6. Step 6: Final answer
    x = 56,760.77

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Why These Related Problems?

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