Home / 66,067.96-91,178.28-37,387.64

Finding the Fourth Proportional to 66,067.96, 91,178.28 and 37,387.64

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Solution

The fourth proportional to 66,067.96, 91,178.28 and 37,387.64 is: 51,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067.96 : 91,178.28 = 37,387.64 : x
  2. Step 2: Convert to fraction form
    66,067.96/91,178.28 = 37,387.64/x
  3. Step 3: Cross multiply
    66,067.96x = 91,178.28 × 37,387.64
  4. Step 4: Simplify right side
    66,067.96x = 3,408,940,065.63
  5. Step 5: Solve for x
    x = 3,408,940,065.63/66,067.96
  6. Step 6: Final answer
    x = 51,597.48

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1.5x scale

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.