Home / 117,326.16-161,906.04-69,551.10

Finding the Fourth Proportional to 117,326.16, 161,906.04 and 69,551.10

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Solution

The fourth proportional to 117,326.16, 161,906.04 and 69,551.10 is: 95,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,326.16 : 161,906.04 = 69,551.10 : x
  2. Step 2: Convert to fraction form
    117,326.16/161,906.04 = 69,551.10/x
  3. Step 3: Cross multiply
    117,326.16x = 161,906.04 × 69,551.10
  4. Step 4: Simplify right side
    117,326.16x = 11,260,743,178.64
  5. Step 5: Solve for x
    x = 11,260,743,178.64/117,326.16
  6. Step 6: Final answer
    x = 95,978.11

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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.