Home / 66,282.45-91,468.29-36,067.86

Finding the Fourth Proportional to 66,282.45, 91,468.29 and 36,067.86

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Solution

The fourth proportional to 66,282.45, 91,468.29 and 36,067.86 is: 49,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,282.45 : 91,468.29 = 36,067.86 : x
  2. Step 2: Convert to fraction form
    66,282.45/91,468.29 = 36,067.86/x
  3. Step 3: Cross multiply
    66,282.45x = 91,468.29 × 36,067.86
  4. Step 4: Simplify right side
    66,282.45x = 3,299,065,478.16
  5. Step 5: Solve for x
    x = 3,299,065,478.16/66,282.45
  6. Step 6: Final answer
    x = 49,772.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.