Home / 86,112.11-118,843.91-50,313.76

Finding the Fourth Proportional to 86,112.11, 118,843.91 and 50,313.76

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Solution

The fourth proportional to 86,112.11, 118,843.91 and 50,313.76 is: 69,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,112.11 : 118,843.91 = 50,313.76 : x
  2. Step 2: Convert to fraction form
    86,112.11/118,843.91 = 50,313.76/x
  3. Step 3: Cross multiply
    86,112.11x = 118,843.91 × 50,313.76
  4. Step 4: Simplify right side
    86,112.11x = 5,979,483,605.20
  5. Step 5: Solve for x
    x = 5,979,483,605.20/86,112.11
  6. Step 6: Final answer
    x = 69,438.36

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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.