Home / 54,627.31-75,406.85-42,694.49

Finding the Fourth Proportional to 54,627.31, 75,406.85 and 42,694.49

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Solution

The fourth proportional to 54,627.31, 75,406.85 and 42,694.49 is: 58,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.31 : 75,406.85 = 42,694.49 : x
  2. Step 2: Convert to fraction form
    54,627.31/75,406.85 = 42,694.49/x
  3. Step 3: Cross multiply
    54,627.31x = 75,406.85 × 42,694.49
  4. Step 4: Simplify right side
    54,627.31x = 3,219,457,138.41
  5. Step 5: Solve for x
    x = 3,219,457,138.41/54,627.31
  6. Step 6: Final answer
    x = 58,934.94

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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.