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Finding the Fourth Proportional to 61,568, 84,963.84 and 44,815.04

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Solution

The fourth proportional to 61,568, 84,963.84 and 44,815.04 is: 61,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,568 : 84,963.84 = 44,815.04 : x
  2. Step 2: Convert to fraction form
    61,568/84,963.84 = 44,815.04/x
  3. Step 3: Cross multiply
    61,568x = 84,963.84 × 44,815.04
  4. Step 4: Simplify right side
    61,568x = 3,807,657,888.15
  5. Step 5: Solve for x
    x = 3,807,657,888.15/61,568
  6. Step 6: Final answer
    x = 61,844.76

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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.