Home / 66,442.96-91,689.84-36,227.14

Finding the Fourth Proportional to 66,442.96, 91,689.84 and 36,227.14

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Solution

The fourth proportional to 66,442.96, 91,689.84 and 36,227.14 is: 49,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442.96 : 91,689.84 = 36,227.14 : x
  2. Step 2: Convert to fraction form
    66,442.96/91,689.84 = 36,227.14/x
  3. Step 3: Cross multiply
    66,442.96x = 91,689.84 × 36,227.14
  4. Step 4: Simplify right side
    66,442.96x = 3,321,660,670.26
  5. Step 5: Solve for x
    x = 3,321,660,670.26/66,442.96
  6. Step 6: Final answer
    x = 49,992.67

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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.