Home / 87,375.52-120,574.24-53,440.84

Finding the Fourth Proportional to 87,375.52, 120,574.24 and 53,440.84

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Solution

The fourth proportional to 87,375.52, 120,574.24 and 53,440.84 is: 73,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,375.52 : 120,574.24 = 53,440.84 : x
  2. Step 2: Convert to fraction form
    87,375.52/120,574.24 = 53,440.84/x
  3. Step 3: Cross multiply
    87,375.52x = 120,574.24 × 53,440.84
  4. Step 4: Simplify right side
    87,375.52x = 6,443,588,667.96
  5. Step 5: Solve for x
    x = 6,443,588,667.96/87,375.52
  6. Step 6: Final answer
    x = 73,745.93

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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.