Home / 86,406.21-129,610.22-24,076.71

Finding the Fourth Proportional to 86,406.21, 129,610.22 and 24,076.71

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Solution

The fourth proportional to 86,406.21, 129,610.22 and 24,076.71 is: 36,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,406.21 : 129,610.22 = 24,076.71 : x
  2. Step 2: Convert to fraction form
    86,406.21/129,610.22 = 24,076.71/x
  3. Step 3: Cross multiply
    86,406.21x = 129,610.22 × 24,076.71
  4. Step 4: Simplify right side
    86,406.21x = 3,120,587,559.59
  5. Step 5: Solve for x
    x = 3,120,587,559.59/86,406.21
  6. Step 6: Final answer
    x = 36,115.32

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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.