Home / 66,067.83-91,178.10-37,387.51

Finding the Fourth Proportional to 66,067.83, 91,178.10 and 37,387.51

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Solution

The fourth proportional to 66,067.83, 91,178.10 and 37,387.51 is: 51,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067.83 : 91,178.10 = 37,387.51 : x
  2. Step 2: Convert to fraction form
    66,067.83/91,178.10 = 37,387.51/x
  3. Step 3: Cross multiply
    66,067.83x = 91,178.10 × 37,387.51
  4. Step 4: Simplify right side
    66,067.83x = 3,408,922,125.53
  5. Step 5: Solve for x
    x = 3,408,922,125.53/66,067.83
  6. Step 6: Final answer
    x = 51,597.31

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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.