Home / 66,442.24-91,688.29-36,228.14

Finding the Fourth Proportional to 66,442.24, 91,688.29 and 36,228.14

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Solution

The fourth proportional to 66,442.24, 91,688.29 and 36,228.14 is: 49,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442.24 : 91,688.29 = 36,228.14 : x
  2. Step 2: Convert to fraction form
    66,442.24/91,688.29 = 36,228.14/x
  3. Step 3: Cross multiply
    66,442.24x = 91,688.29 × 36,228.14
  4. Step 4: Simplify right side
    66,442.24x = 3,321,696,517.05
  5. Step 5: Solve for x
    x = 3,321,696,517.05/66,442.24
  6. Step 6: Final answer
    x = 49,993.75

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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.