Home / 66,139.46-91,273.44-35,925.37

Finding the Fourth Proportional to 66,139.46, 91,273.44 and 35,925.37

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Solution

The fourth proportional to 66,139.46, 91,273.44 and 35,925.37 is: 49,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,139.46 : 91,273.44 = 35,925.37 : x
  2. Step 2: Convert to fraction form
    66,139.46/91,273.44 = 35,925.37/x
  3. Step 3: Cross multiply
    66,139.46x = 91,273.44 × 35,925.37
  4. Step 4: Simplify right side
    66,139.46x = 3,279,032,103.17
  5. Step 5: Solve for x
    x = 3,279,032,103.17/66,139.46
  6. Step 6: Final answer
    x = 49,577.55

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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.