Home / 110,878.14-166,435.66-47,729.56

Finding the Fourth Proportional to 110,878.14, 166,435.66 and 47,729.56

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Solution

The fourth proportional to 110,878.14, 166,435.66 and 47,729.56 is: 71,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,878.14 : 166,435.66 = 47,729.56 : x
  2. Step 2: Convert to fraction form
    110,878.14/166,435.66 = 47,729.56/x
  3. Step 3: Cross multiply
    110,878.14x = 166,435.66 × 47,729.56
  4. Step 4: Simplify right side
    110,878.14x = 7,943,900,820.11
  5. Step 5: Solve for x
    x = 7,943,900,820.11/110,878.14
  6. Step 6: Final answer
    x = 71,645.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.