Home / 54,890.54-75,747.95-31,016.70

Finding the Fourth Proportional to 54,890.54, 75,747.95 and 31,016.70

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Solution

The fourth proportional to 54,890.54, 75,747.95 and 31,016.70 is: 42,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.54 : 75,747.95 = 31,016.70 : x
  2. Step 2: Convert to fraction form
    54,890.54/75,747.95 = 31,016.70/x
  3. Step 3: Cross multiply
    54,890.54x = 75,747.95 × 31,016.70
  4. Step 4: Simplify right side
    54,890.54x = 2,349,451,062.03
  5. Step 5: Solve for x
    x = 2,349,451,062.03/54,890.54
  6. Step 6: Final answer
    x = 42,802.48

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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.