Home / 88,749.70-133,181.79-57,156.46

Finding the Fourth Proportional to 88,749.70, 133,181.79 and 57,156.46

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Solution

The fourth proportional to 88,749.70, 133,181.79 and 57,156.46 is: 85,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,749.70 : 133,181.79 = 57,156.46 : x
  2. Step 2: Convert to fraction form
    88,749.70/133,181.79 = 57,156.46/x
  3. Step 3: Cross multiply
    88,749.70x = 133,181.79 × 57,156.46
  4. Step 4: Simplify right side
    88,749.70x = 7,612,199,652.86
  5. Step 5: Solve for x
    x = 7,612,199,652.86/88,749.70
  6. Step 6: Final answer
    x = 85,771.55

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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.