Home / 107,922.42-161,930.34-57,944.16

Finding the Fourth Proportional to 107,922.42, 161,930.34 and 57,944.16

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Solution

The fourth proportional to 107,922.42, 161,930.34 and 57,944.16 is: 86,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922.42 : 161,930.34 = 57,944.16 : x
  2. Step 2: Convert to fraction form
    107,922.42/161,930.34 = 57,944.16/x
  3. Step 3: Cross multiply
    107,922.42x = 161,930.34 × 57,944.16
  4. Step 4: Simplify right side
    107,922.42x = 9,382,917,529.81
  5. Step 5: Solve for x
    x = 9,382,917,529.81/107,922.42
  6. Step 6: Final answer
    x = 86,941.32

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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.