Home / 67,853.21-101,778.60-27,863.51

Finding the Fourth Proportional to 67,853.21, 101,778.60 and 27,863.51

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Solution

The fourth proportional to 67,853.21, 101,778.60 and 27,863.51 is: 41,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,853.21 : 101,778.60 = 27,863.51 : x
  2. Step 2: Convert to fraction form
    67,853.21/101,778.60 = 27,863.51/x
  3. Step 3: Cross multiply
    67,853.21x = 101,778.60 × 27,863.51
  4. Step 4: Simplify right side
    67,853.21x = 2,835,909,038.89
  5. Step 5: Solve for x
    x = 2,835,909,038.89/67,853.21
  6. Step 6: Final answer
    x = 41,794.77

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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.