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Finding the Fourth Proportional to 54,282.63, 81,303.65 and 41,710.11

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Solution

The fourth proportional to 54,282.63, 81,303.65 and 41,710.11 is: 62,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.63 : 81,303.65 = 41,710.11 : x
  2. Step 2: Convert to fraction form
    54,282.63/81,303.65 = 41,710.11/x
  3. Step 3: Cross multiply
    54,282.63x = 81,303.65 × 41,710.11
  4. Step 4: Simplify right side
    54,282.63x = 3,391,183,976.35
  5. Step 5: Solve for x
    x = 3,391,183,976.35/54,282.63
  6. Step 6: Final answer
    x = 62,472.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.