Home / 54,229.20-74,844.18-31,254.60

Finding the Fourth Proportional to 54,229.20, 74,844.18 and 31,254.60

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Solution

The fourth proportional to 54,229.20, 74,844.18 and 31,254.60 is: 43,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229.20 : 74,844.18 = 31,254.60 : x
  2. Step 2: Convert to fraction form
    54,229.20/74,844.18 = 31,254.60/x
  3. Step 3: Cross multiply
    54,229.20x = 74,844.18 × 31,254.60
  4. Step 4: Simplify right side
    54,229.20x = 2,339,224,908.23
  5. Step 5: Solve for x
    x = 2,339,224,908.23/54,229.20
  6. Step 6: Final answer
    x = 43,135.89

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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.