Home / 113,806.42-157,061.33-66,067.04

Finding the Fourth Proportional to 113,806.42, 157,061.33 and 66,067.04

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Solution

The fourth proportional to 113,806.42, 157,061.33 and 66,067.04 is: 91,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,806.42 : 157,061.33 = 66,067.04 : x
  2. Step 2: Convert to fraction form
    113,806.42/157,061.33 = 66,067.04/x
  3. Step 3: Cross multiply
    113,806.42x = 157,061.33 × 66,067.04
  4. Step 4: Simplify right side
    113,806.42x = 10,376,577,481.63
  5. Step 5: Solve for x
    x = 10,376,577,481.63/113,806.42
  6. Step 6: Final answer
    x = 91,177.44

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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.