Home / 88,082.81-132,144.40-38,171.28

Finding the Fourth Proportional to 88,082.81, 132,144.40 and 38,171.28

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Solution

The fourth proportional to 88,082.81, 132,144.40 and 38,171.28 is: 57,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,082.81 : 132,144.40 = 38,171.28 : x
  2. Step 2: Convert to fraction form
    88,082.81/132,144.40 = 38,171.28/x
  3. Step 3: Cross multiply
    88,082.81x = 132,144.40 × 38,171.28
  4. Step 4: Simplify right side
    88,082.81x = 5,044,121,221.37
  5. Step 5: Solve for x
    x = 5,044,121,221.37/88,082.81
  6. Step 6: Final answer
    x = 57,265.67

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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.