Home / 73,141.64-100,934.58-42,921.56

Finding the Fourth Proportional to 73,141.64, 100,934.58 and 42,921.56

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Solution

The fourth proportional to 73,141.64, 100,934.58 and 42,921.56 is: 59,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141.64 : 100,934.58 = 42,921.56 : x
  2. Step 2: Convert to fraction form
    73,141.64/100,934.58 = 42,921.56/x
  3. Step 3: Cross multiply
    73,141.64x = 100,934.58 × 42,921.56
  4. Step 4: Simplify right side
    73,141.64x = 4,332,269,631.54
  5. Step 5: Solve for x
    x = 4,332,269,631.54/73,141.64
  6. Step 6: Final answer
    x = 59,231.23

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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.