Home / 67,542.39-101,258.92-28,129.01

Finding the Fourth Proportional to 67,542.39, 101,258.92 and 28,129.01

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Solution

The fourth proportional to 67,542.39, 101,258.92 and 28,129.01 is: 42,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,542.39 : 101,258.92 = 28,129.01 : x
  2. Step 2: Convert to fraction form
    67,542.39/101,258.92 = 28,129.01/x
  3. Step 3: Cross multiply
    67,542.39x = 101,258.92 × 28,129.01
  4. Step 4: Simplify right side
    67,542.39x = 2,848,313,173.27
  5. Step 5: Solve for x
    x = 2,848,313,173.27/67,542.39
  6. Step 6: Final answer
    x = 42,170.75

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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.