Home / 54,669.20-75,442.38-30,795.80

Finding the Fourth Proportional to 54,669.20, 75,442.38 and 30,795.80

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Solution

The fourth proportional to 54,669.20, 75,442.38 and 30,795.80 is: 42,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.20 : 75,442.38 = 30,795.80 : x
  2. Step 2: Convert to fraction form
    54,669.20/75,442.38 = 30,795.80/x
  3. Step 3: Cross multiply
    54,669.20x = 75,442.38 × 30,795.80
  4. Step 4: Simplify right side
    54,669.20x = 2,323,308,446.00
  5. Step 5: Solve for x
    x = 2,323,308,446.00/54,669.20
  6. Step 6: Final answer
    x = 42,497.58

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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.