Home / 66,427.73-91,668.12-36,212.57

Finding the Fourth Proportional to 66,427.73, 91,668.12 and 36,212.57

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Solution

The fourth proportional to 66,427.73, 91,668.12 and 36,212.57 is: 49,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.73 : 91,668.12 = 36,212.57 : x
  2. Step 2: Convert to fraction form
    66,427.73/91,668.12 = 36,212.57/x
  3. Step 3: Cross multiply
    66,427.73x = 91,668.12 × 36,212.57
  4. Step 4: Simplify right side
    66,427.73x = 3,319,537,753.93
  5. Step 5: Solve for x
    x = 3,319,537,753.93/66,427.73
  6. Step 6: Final answer
    x = 49,972.17

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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.