Home / 66,518.88-99,778.08-27,067.20

Finding the Fourth Proportional to 66,518.88, 99,778.08 and 27,067.20

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Solution

The fourth proportional to 66,518.88, 99,778.08 and 27,067.20 is: 40,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518.88 : 99,778.08 = 27,067.20 : x
  2. Step 2: Convert to fraction form
    66,518.88/99,778.08 = 27,067.20/x
  3. Step 3: Cross multiply
    66,518.88x = 99,778.08 × 27,067.20
  4. Step 4: Simplify right side
    66,518.88x = 2,700,713,246.98
  5. Step 5: Solve for x
    x = 2,700,713,246.98/66,518.88
  6. Step 6: Final answer
    x = 40,600.70

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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.