Home / 66,741.22-100,010.92-29,280.34

Finding the Fourth Proportional to 66,741.22, 100,010.92 and 29,280.34

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Solution

The fourth proportional to 66,741.22, 100,010.92 and 29,280.34 is: 43,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.22 : 100,010.92 = 29,280.34 : x
  2. Step 2: Convert to fraction form
    66,741.22/100,010.92 = 29,280.34/x
  3. Step 3: Cross multiply
    66,741.22x = 100,010.92 × 29,280.34
  4. Step 4: Simplify right side
    66,741.22x = 2,928,353,741.31
  5. Step 5: Solve for x
    x = 2,928,353,741.31/66,741.22
  6. Step 6: Final answer
    x = 43,876.24

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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.