Home / 67,785.90-101,722.77-51,184.14

Finding the Fourth Proportional to 67,785.90, 101,722.77 and 51,184.14

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Solution

The fourth proportional to 67,785.90, 101,722.77 and 51,184.14 is: 76,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.90 : 101,722.77 = 51,184.14 : x
  2. Step 2: Convert to fraction form
    67,785.90/101,722.77 = 51,184.14/x
  3. Step 3: Cross multiply
    67,785.90x = 101,722.77 × 51,184.14
  4. Step 4: Simplify right side
    67,785.90x = 5,206,592,500.87
  5. Step 5: Solve for x
    x = 5,206,592,500.87/67,785.90
  6. Step 6: Final answer
    x = 76,809.37

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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.