Home / 54,890.48-75,747.88-31,016.64

Finding the Fourth Proportional to 54,890.48, 75,747.88 and 31,016.64

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Solution

The fourth proportional to 54,890.48, 75,747.88 and 31,016.64 is: 42,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.48 : 75,747.88 = 31,016.64 : x
  2. Step 2: Convert to fraction form
    54,890.48/75,747.88 = 31,016.64/x
  3. Step 3: Cross multiply
    54,890.48x = 75,747.88 × 31,016.64
  4. Step 4: Simplify right side
    54,890.48x = 2,349,444,853.79
  5. Step 5: Solve for x
    x = 2,349,444,853.79/54,890.48
  6. Step 6: Final answer
    x = 42,802.41

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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.