Home / 67,556.13-101,279.48-28,142.75

Finding the Fourth Proportional to 67,556.13, 101,279.48 and 28,142.75

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Solution

The fourth proportional to 67,556.13, 101,279.48 and 28,142.75 is: 42,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,556.13 : 101,279.48 = 28,142.75 : x
  2. Step 2: Convert to fraction form
    67,556.13/101,279.48 = 28,142.75/x
  3. Step 3: Cross multiply
    67,556.13x = 101,279.48 × 28,142.75
  4. Step 4: Simplify right side
    67,556.13x = 2,850,282,438.66
  5. Step 5: Solve for x
    x = 2,850,282,438.66/67,556.13
  6. Step 6: Final answer
    x = 42,191.32

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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.