Home / 116,956.08-161,357.40-66,625.92

Finding the Fourth Proportional to 116,956.08, 161,357.40 and 66,625.92

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Solution

The fourth proportional to 116,956.08, 161,357.40 and 66,625.92 is: 91,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,956.08 : 161,357.40 = 66,625.92 : x
  2. Step 2: Convert to fraction form
    116,956.08/161,357.40 = 66,625.92/x
  3. Step 3: Cross multiply
    116,956.08x = 161,357.40 × 66,625.92
  4. Step 4: Simplify right side
    116,956.08x = 10,750,585,223.81
  5. Step 5: Solve for x
    x = 10,750,585,223.81/116,956.08
  6. Step 6: Final answer
    x = 91,919.85

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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.