Home / 87,516.24-120,756.48-49,269.84

Finding the Fourth Proportional to 87,516.24, 120,756.48 and 49,269.84

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Solution

The fourth proportional to 87,516.24, 120,756.48 and 49,269.84 is: 67,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,516.24 : 120,756.48 = 49,269.84 : x
  2. Step 2: Convert to fraction form
    87,516.24/120,756.48 = 49,269.84/x
  3. Step 3: Cross multiply
    87,516.24x = 120,756.48 × 49,269.84
  4. Step 4: Simplify right side
    87,516.24x = 5,949,652,448.56
  5. Step 5: Solve for x
    x = 5,949,652,448.56/87,516.24
  6. Step 6: Final answer
    x = 67,983.41

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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.