Home / 115,932.83-159,997.44-64,944.74

Finding the Fourth Proportional to 115,932.83, 159,997.44 and 64,944.74

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Solution

The fourth proportional to 115,932.83, 159,997.44 and 64,944.74 is: 89,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,932.83 : 159,997.44 = 64,944.74 : x
  2. Step 2: Convert to fraction form
    115,932.83/159,997.44 = 64,944.74/x
  3. Step 3: Cross multiply
    115,932.83x = 159,997.44 × 64,944.74
  4. Step 4: Simplify right side
    115,932.83x = 10,390,992,785.00
  5. Step 5: Solve for x
    x = 10,390,992,785.00/115,932.83
  6. Step 6: Final answer
    x = 89,629.43

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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.