Home / 87,521.46-120,782.01-53,529.33

Finding the Fourth Proportional to 87,521.46, 120,782.01 and 53,529.33

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Solution

The fourth proportional to 87,521.46, 120,782.01 and 53,529.33 is: 73,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,521.46 : 120,782.01 = 53,529.33 : x
  2. Step 2: Convert to fraction form
    87,521.46/120,782.01 = 53,529.33/x
  3. Step 3: Cross multiply
    87,521.46x = 120,782.01 × 53,529.33
  4. Step 4: Simplify right side
    87,521.46x = 6,465,380,234.77
  5. Step 5: Solve for x
    x = 6,465,380,234.77/87,521.46
  6. Step 6: Final answer
    x = 73,871.94

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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.