Home / 54,958.97-75,840.71-31,085.13

Finding the Fourth Proportional to 54,958.97, 75,840.71 and 31,085.13

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Solution

The fourth proportional to 54,958.97, 75,840.71 and 31,085.13 is: 42,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.97 : 75,840.71 = 31,085.13 : x
  2. Step 2: Convert to fraction form
    54,958.97/75,840.71 = 31,085.13/x
  3. Step 3: Cross multiply
    54,958.97x = 75,840.71 × 31,085.13
  4. Step 4: Simplify right side
    54,958.97x = 2,357,518,458.62
  5. Step 5: Solve for x
    x = 2,357,518,458.62/54,958.97
  6. Step 6: Final answer
    x = 42,895.97

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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.