Home / 54,429.90-75,121.46-33,221.49

Finding the Fourth Proportional to 54,429.90, 75,121.46 and 33,221.49

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Solution

The fourth proportional to 54,429.90, 75,121.46 and 33,221.49 is: 45,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.90 : 75,121.46 = 33,221.49 : x
  2. Step 2: Convert to fraction form
    54,429.90/75,121.46 = 33,221.49/x
  3. Step 3: Cross multiply
    54,429.90x = 75,121.46 × 33,221.49
  4. Step 4: Simplify right side
    54,429.90x = 2,495,646,832.18
  5. Step 5: Solve for x
    x = 2,495,646,832.18/54,429.90
  6. Step 6: Final answer
    x = 45,850.66

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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.