Home / 86,540.88-119,437.38-50,234.58

Finding the Fourth Proportional to 86,540.88, 119,437.38 and 50,234.58

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Solution

The fourth proportional to 86,540.88, 119,437.38 and 50,234.58 is: 69,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,540.88 : 119,437.38 = 50,234.58 : x
  2. Step 2: Convert to fraction form
    86,540.88/119,437.38 = 50,234.58/x
  3. Step 3: Cross multiply
    86,540.88x = 119,437.38 × 50,234.58
  4. Step 4: Simplify right side
    86,540.88x = 5,999,886,620.60
  5. Step 5: Solve for x
    x = 5,999,886,620.60/86,540.88
  6. Step 6: Final answer
    x = 69,330.09

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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.