Home / 87,580.19-120,861.03-49,340.19

Finding the Fourth Proportional to 87,580.19, 120,861.03 and 49,340.19

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Solution

The fourth proportional to 87,580.19, 120,861.03 and 49,340.19 is: 68,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,580.19 : 120,861.03 = 49,340.19 : x
  2. Step 2: Convert to fraction form
    87,580.19/120,861.03 = 49,340.19/x
  3. Step 3: Cross multiply
    87,580.19x = 120,861.03 × 49,340.19
  4. Step 4: Simplify right side
    87,580.19x = 5,963,306,183.80
  5. Step 5: Solve for x
    x = 5,963,306,183.80/87,580.19
  6. Step 6: Final answer
    x = 68,089.67

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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.