Home / 67,869.40-101,717.70-49,379.80

Finding the Fourth Proportional to 67,869.40, 101,717.70 and 49,379.80

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Solution

The fourth proportional to 67,869.40, 101,717.70 and 49,379.80 is: 74,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,869.40 : 101,717.70 = 49,379.80 : x
  2. Step 2: Convert to fraction form
    67,869.40/101,717.70 = 49,379.80/x
  3. Step 3: Cross multiply
    67,869.40x = 101,717.70 × 49,379.80
  4. Step 4: Simplify right side
    67,869.40x = 5,022,799,682.46
  5. Step 5: Solve for x
    x = 5,022,799,682.46/67,869.40
  6. Step 6: Final answer
    x = 74,006.84

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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.