Home / 99,706.28-149,527.07-33,128.54

Finding the Fourth Proportional to 99,706.28, 149,527.07 and 33,128.54

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Solution

The fourth proportional to 99,706.28, 149,527.07 and 33,128.54 is: 49,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,706.28 : 149,527.07 = 33,128.54 : x
  2. Step 2: Convert to fraction form
    99,706.28/149,527.07 = 33,128.54/x
  3. Step 3: Cross multiply
    99,706.28x = 149,527.07 × 33,128.54
  4. Step 4: Simplify right side
    99,706.28x = 4,953,612,771.94
  5. Step 5: Solve for x
    x = 4,953,612,771.94/99,706.28
  6. Step 6: Final answer
    x = 49,682.05

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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.