Home / 106,668.28-147,199.44-58,913.92

Finding the Fourth Proportional to 106,668.28, 147,199.44 and 58,913.92

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Solution

The fourth proportional to 106,668.28, 147,199.44 and 58,913.92 is: 81,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,668.28 : 147,199.44 = 58,913.92 : x
  2. Step 2: Convert to fraction form
    106,668.28/147,199.44 = 58,913.92/x
  3. Step 3: Cross multiply
    106,668.28x = 147,199.44 × 58,913.92
  4. Step 4: Simplify right side
    106,668.28x = 8,672,096,032.20
  5. Step 5: Solve for x
    x = 8,672,096,032.20/106,668.28
  6. Step 6: Final answer
    x = 81,299.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.