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Finding the Fourth Proportional to 88,170.99, 132,262.82 and 43,753.02

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Solution

The fourth proportional to 88,170.99, 132,262.82 and 43,753.02 is: 65,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.99 : 132,262.82 = 43,753.02 : x
  2. Step 2: Convert to fraction form
    88,170.99/132,262.82 = 43,753.02/x
  3. Step 3: Cross multiply
    88,170.99x = 132,262.82 × 43,753.02
  4. Step 4: Simplify right side
    88,170.99x = 5,786,897,808.72
  5. Step 5: Solve for x
    x = 5,786,897,808.72/88,170.99
  6. Step 6: Final answer
    x = 65,632.67

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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.