Home / 86,441.46-129,720.51-33,844.38

Finding the Fourth Proportional to 86,441.46, 129,720.51 and 33,844.38

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Solution

The fourth proportional to 86,441.46, 129,720.51 and 33,844.38 is: 50,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,441.46 : 129,720.51 = 33,844.38 : x
  2. Step 2: Convert to fraction form
    86,441.46/129,720.51 = 33,844.38/x
  3. Step 3: Cross multiply
    86,441.46x = 129,720.51 × 33,844.38
  4. Step 4: Simplify right side
    86,441.46x = 4,390,310,234.23
  5. Step 5: Solve for x
    x = 4,390,310,234.23/86,441.46
  6. Step 6: Final answer
    x = 50,789.40

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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.