Home / 67,370.39-101,076.66-19,985.73

Finding the Fourth Proportional to 67,370.39, 101,076.66 and 19,985.73

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Solution

The fourth proportional to 67,370.39, 101,076.66 and 19,985.73 is: 29,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,370.39 : 101,076.66 = 19,985.73 : x
  2. Step 2: Convert to fraction form
    67,370.39/101,076.66 = 19,985.73/x
  3. Step 3: Cross multiply
    67,370.39x = 101,076.66 × 19,985.73
  4. Step 4: Simplify right side
    67,370.39x = 2,020,091,081.79
  5. Step 5: Solve for x
    x = 2,020,091,081.79/67,370.39
  6. Step 6: Final answer
    x = 29,984.85

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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.