Home / 100,741.78-151,091.27-29,645.11

Finding the Fourth Proportional to 100,741.78, 151,091.27 and 29,645.11

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Solution

The fourth proportional to 100,741.78, 151,091.27 and 29,645.11 is: 44,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,741.78 : 151,091.27 = 29,645.11 : x
  2. Step 2: Convert to fraction form
    100,741.78/151,091.27 = 29,645.11/x
  3. Step 3: Cross multiply
    100,741.78x = 151,091.27 × 29,645.11
  4. Step 4: Simplify right side
    100,741.78x = 4,479,117,319.19
  5. Step 5: Solve for x
    x = 4,479,117,319.19/100,741.78
  6. Step 6: Final answer
    x = 44,461.37

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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.