Home / 54,930.00-75,805.45-31,055.25

Finding the Fourth Proportional to 54,930.00, 75,805.45 and 31,055.25

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Solution

The fourth proportional to 54,930.00, 75,805.45 and 31,055.25 is: 42,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.00 : 75,805.45 = 31,055.25 : x
  2. Step 2: Convert to fraction form
    54,930.00/75,805.45 = 31,055.25/x
  3. Step 3: Cross multiply
    54,930.00x = 75,805.45 × 31,055.25
  4. Step 4: Simplify right side
    54,930.00x = 2,354,157,235.35
  5. Step 5: Solve for x
    x = 2,354,157,235.35/54,930.00
  6. Step 6: Final answer
    x = 42,857.40

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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.