Home / 66,362.06-91,578.86-36,147.29

Finding the Fourth Proportional to 66,362.06, 91,578.86 and 36,147.29

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Solution

The fourth proportional to 66,362.06, 91,578.86 and 36,147.29 is: 49,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,362.06 : 91,578.86 = 36,147.29 : x
  2. Step 2: Convert to fraction form
    66,362.06/91,578.86 = 36,147.29/x
  3. Step 3: Cross multiply
    66,362.06x = 91,578.86 × 36,147.29
  4. Step 4: Simplify right side
    66,362.06x = 3,310,326,971.66
  5. Step 5: Solve for x
    x = 3,310,326,971.66/66,362.06
  6. Step 6: Final answer
    x = 49,882.82

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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.