Home / 100,731.33-151,149.92-44,610.21

Finding the Fourth Proportional to 100,731.33, 151,149.92 and 44,610.21

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Solution

The fourth proportional to 100,731.33, 151,149.92 and 44,610.21 is: 66,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,731.33 : 151,149.92 = 44,610.21 : x
  2. Step 2: Convert to fraction form
    100,731.33/151,149.92 = 44,610.21/x
  3. Step 3: Cross multiply
    100,731.33x = 151,149.92 × 44,610.21
  4. Step 4: Simplify right side
    100,731.33x = 6,742,829,449.63
  5. Step 5: Solve for x
    x = 6,742,829,449.63/100,731.33
  6. Step 6: Final answer
    x = 66,938.75

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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.