Home / 54,884.52-75,736.90-31,012.20

Finding the Fourth Proportional to 54,884.52, 75,736.90 and 31,012.20

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Solution

The fourth proportional to 54,884.52, 75,736.90 and 31,012.20 is: 42,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,884.52 : 75,736.90 = 31,012.20 : x
  2. Step 2: Convert to fraction form
    54,884.52/75,736.90 = 31,012.20/x
  3. Step 3: Cross multiply
    54,884.52x = 75,736.90 × 31,012.20
  4. Step 4: Simplify right side
    54,884.52x = 2,348,767,890.18
  5. Step 5: Solve for x
    x = 2,348,767,890.18/54,884.52
  6. Step 6: Final answer
    x = 42,794.72

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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.