Home / 54,081.24-74,631.96-30,207.96

Finding the Fourth Proportional to 54,081.24, 74,631.96 and 30,207.96

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Solution

The fourth proportional to 54,081.24, 74,631.96 and 30,207.96 is: 41,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,081.24 : 74,631.96 = 30,207.96 : x
  2. Step 2: Convert to fraction form
    54,081.24/74,631.96 = 30,207.96/x
  3. Step 3: Cross multiply
    54,081.24x = 74,631.96 × 30,207.96
  4. Step 4: Simplify right side
    54,081.24x = 2,254,479,262.40
  5. Step 5: Solve for x
    x = 2,254,479,262.40/54,081.24
  6. Step 6: Final answer
    x = 41,686.90

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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.