Home / 73,142.64-100,935.96-42,922.56

Finding the Fourth Proportional to 73,142.64, 100,935.96 and 42,922.56

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Solution

The fourth proportional to 73,142.64, 100,935.96 and 42,922.56 is: 59,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,142.64 : 100,935.96 = 42,922.56 : x
  2. Step 2: Convert to fraction form
    73,142.64/100,935.96 = 42,922.56/x
  3. Step 3: Cross multiply
    73,142.64x = 100,935.96 × 42,922.56
  4. Step 4: Simplify right side
    73,142.64x = 4,332,429,799.26
  5. Step 5: Solve for x
    x = 4,332,429,799.26/73,142.64
  6. Step 6: Final answer
    x = 59,232.61

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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.