Home / 88,910.10-133,321.95-49,425.30

Finding the Fourth Proportional to 88,910.10, 133,321.95 and 49,425.30

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Solution

The fourth proportional to 88,910.10, 133,321.95 and 49,425.30 is: 74,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,910.10 : 133,321.95 = 49,425.30 : x
  2. Step 2: Convert to fraction form
    88,910.10/133,321.95 = 49,425.30/x
  3. Step 3: Cross multiply
    88,910.10x = 133,321.95 × 49,425.30
  4. Step 4: Simplify right side
    88,910.10x = 6,589,477,375.34
  5. Step 5: Solve for x
    x = 6,589,477,375.34/88,910.10
  6. Step 6: Final answer
    x = 74,113.94

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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.