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Finding the Fourth Proportional to 61,182.85, 91,712.31 and 41,463.40

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Solution

The fourth proportional to 61,182.85, 91,712.31 and 41,463.40 is: 62,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,182.85 : 91,712.31 = 41,463.40 : x
  2. Step 2: Convert to fraction form
    61,182.85/91,712.31 = 41,463.40/x
  3. Step 3: Cross multiply
    61,182.85x = 91,712.31 × 41,463.40
  4. Step 4: Simplify right side
    61,182.85x = 3,802,704,194.45
  5. Step 5: Solve for x
    x = 3,802,704,194.45/61,182.85
  6. Step 6: Final answer
    x = 62,153.11

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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.