Home / 87,524.35-120,782.64-51,713.62

Finding the Fourth Proportional to 87,524.35, 120,782.64 and 51,713.62

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Solution

The fourth proportional to 87,524.35, 120,782.64 and 51,713.62 is: 71,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,524.35 : 120,782.64 = 51,713.62 : x
  2. Step 2: Convert to fraction form
    87,524.35/120,782.64 = 51,713.62/x
  3. Step 3: Cross multiply
    87,524.35x = 120,782.64 × 51,713.62
  4. Step 4: Simplify right side
    87,524.35x = 6,246,107,547.56
  5. Step 5: Solve for x
    x = 6,246,107,547.56/87,524.35
  6. Step 6: Final answer
    x = 71,364.23

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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.