Home / 54,921.06-75,793.59-31,048.74

Finding the Fourth Proportional to 54,921.06, 75,793.59 and 31,048.74

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Solution

The fourth proportional to 54,921.06, 75,793.59 and 31,048.74 is: 42,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.06 : 75,793.59 = 31,048.74 : x
  2. Step 2: Convert to fraction form
    54,921.06/75,793.59 = 31,048.74/x
  3. Step 3: Cross multiply
    54,921.06x = 75,793.59 × 31,048.74
  4. Step 4: Simplify right side
    54,921.06x = 2,353,295,469.58
  5. Step 5: Solve for x
    x = 2,353,295,469.58/54,921.06
  6. Step 6: Final answer
    x = 42,848.69

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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.