Home / 54,481.74-75,176.61-30,603.84

Finding the Fourth Proportional to 54,481.74, 75,176.61 and 30,603.84

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Solution

The fourth proportional to 54,481.74, 75,176.61 and 30,603.84 is: 42,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.74 : 75,176.61 = 30,603.84 : x
  2. Step 2: Convert to fraction form
    54,481.74/75,176.61 = 30,603.84/x
  3. Step 3: Cross multiply
    54,481.74x = 75,176.61 × 30,603.84
  4. Step 4: Simplify right side
    54,481.74x = 2,300,692,944.18
  5. Step 5: Solve for x
    x = 2,300,692,944.18/54,481.74
  6. Step 6: Final answer
    x = 42,228.70

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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.