Home / 67,989.58-101,975.56-18,073.73

Finding the Fourth Proportional to 67,989.58, 101,975.56 and 18,073.73

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Solution

The fourth proportional to 67,989.58, 101,975.56 and 18,073.73 is: 27,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,989.58 : 101,975.56 = 18,073.73 : x
  2. Step 2: Convert to fraction form
    67,989.58/101,975.56 = 18,073.73/x
  3. Step 3: Cross multiply
    67,989.58x = 101,975.56 × 18,073.73
  4. Step 4: Simplify right side
    67,989.58x = 1,843,078,947.79
  5. Step 5: Solve for x
    x = 1,843,078,947.79/67,989.58
  6. Step 6: Final answer
    x = 27,108.26

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1.5x scale

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.