Home / 88,921.72-133,389.56-29,757.60

Finding the Fourth Proportional to 88,921.72, 133,389.56 and 29,757.60

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Solution

The fourth proportional to 88,921.72, 133,389.56 and 29,757.60 is: 44,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,921.72 : 133,389.56 = 29,757.60 : x
  2. Step 2: Convert to fraction form
    88,921.72/133,389.56 = 29,757.60/x
  3. Step 3: Cross multiply
    88,921.72x = 133,389.56 × 29,757.60
  4. Step 4: Simplify right side
    88,921.72x = 3,969,353,170.66
  5. Step 5: Solve for x
    x = 3,969,353,170.66/88,921.72
  6. Step 6: Final answer
    x = 44,638.74

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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.