Home / 88,749.20-133,181.04-57,155.96

Finding the Fourth Proportional to 88,749.20, 133,181.04 and 57,155.96

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Solution

The fourth proportional to 88,749.20, 133,181.04 and 57,155.96 is: 85,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,749.20 : 133,181.04 = 57,155.96 : x
  2. Step 2: Convert to fraction form
    88,749.20/133,181.04 = 57,155.96/x
  3. Step 3: Cross multiply
    88,749.20x = 133,181.04 × 57,155.96
  4. Step 4: Simplify right side
    88,749.20x = 7,612,090,195.00
  5. Step 5: Solve for x
    x = 7,612,090,195.00/88,749.20
  6. Step 6: Final answer
    x = 85,770.80

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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.