Home / 86,423.81-129,546.68-33,101.24

Finding the Fourth Proportional to 86,423.81, 129,546.68 and 33,101.24

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Solution

The fourth proportional to 86,423.81, 129,546.68 and 33,101.24 is: 49,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,423.81 : 129,546.68 = 33,101.24 : x
  2. Step 2: Convert to fraction form
    86,423.81/129,546.68 = 33,101.24/x
  3. Step 3: Cross multiply
    86,423.81x = 129,546.68 × 33,101.24
  4. Step 4: Simplify right side
    86,423.81x = 4,288,155,745.88
  5. Step 5: Solve for x
    x = 4,288,155,745.88/86,423.81
  6. Step 6: Final answer
    x = 49,617.76

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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.