Home / 75,809.17-113,783.79-38,395.54

Finding the Fourth Proportional to 75,809.17, 113,783.79 and 38,395.54

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Solution

The fourth proportional to 75,809.17, 113,783.79 and 38,395.54 is: 57,628.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,809.17 : 113,783.79 = 38,395.54 : x
  2. Step 2: Convert to fraction form
    75,809.17/113,783.79 = 38,395.54/x
  3. Step 3: Cross multiply
    75,809.17x = 113,783.79 × 38,395.54
  4. Step 4: Simplify right side
    75,809.17x = 4,368,790,060.30
  5. Step 5: Solve for x
    x = 4,368,790,060.30/75,809.17
  6. Step 6: Final answer
    x = 57,628.78

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1.5x scale

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.