Home / 88,032.12-131,751.68-80,748.60

Finding the Fourth Proportional to 88,032.12, 131,751.68 and 80,748.60

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Solution

The fourth proportional to 88,032.12, 131,751.68 and 80,748.60 is: 120,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,032.12 : 131,751.68 = 80,748.60 : x
  2. Step 2: Convert to fraction form
    88,032.12/131,751.68 = 80,748.60/x
  3. Step 3: Cross multiply
    88,032.12x = 131,751.68 × 80,748.60
  4. Step 4: Simplify right side
    88,032.12x = 10,638,763,707.65
  5. Step 5: Solve for x
    x = 10,638,763,707.65/88,032.12
  6. Step 6: Final answer
    x = 120,850.93

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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.