Home / 87,315.35-130,863.53-37,336.79

Finding the Fourth Proportional to 87,315.35, 130,863.53 and 37,336.79

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Solution

The fourth proportional to 87,315.35, 130,863.53 and 37,336.79 is: 55,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,315.35 : 130,863.53 = 37,336.79 : x
  2. Step 2: Convert to fraction form
    87,315.35/130,863.53 = 37,336.79/x
  3. Step 3: Cross multiply
    87,315.35x = 130,863.53 × 37,336.79
  4. Step 4: Simplify right side
    87,315.35x = 4,886,023,297.27
  5. Step 5: Solve for x
    x = 4,886,023,297.27/87,315.35
  6. Step 6: Final answer
    x = 55,958.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.