Home / 87,400.01-120,615.61-49,161.34

Finding the Fourth Proportional to 87,400.01, 120,615.61 and 49,161.34

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Solution

The fourth proportional to 87,400.01, 120,615.61 and 49,161.34 is: 67,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,400.01 : 120,615.61 = 49,161.34 : x
  2. Step 2: Convert to fraction form
    87,400.01/120,615.61 = 49,161.34/x
  3. Step 3: Cross multiply
    87,400.01x = 120,615.61 × 49,161.34
  4. Step 4: Simplify right side
    87,400.01x = 5,929,624,163.63
  5. Step 5: Solve for x
    x = 5,929,624,163.63/87,400.01
  6. Step 6: Final answer
    x = 67,844.67

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1.5x scale

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.