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Finding the Fourth Proportional to 63,078.64, 94,617.94 and 25,659.06

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Solution

The fourth proportional to 63,078.64, 94,617.94 and 25,659.06 is: 38,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,078.64 : 94,617.94 = 25,659.06 : x
  2. Step 2: Convert to fraction form
    63,078.64/94,617.94 = 25,659.06/x
  3. Step 3: Cross multiply
    63,078.64x = 94,617.94 × 25,659.06
  4. Step 4: Simplify right side
    63,078.64x = 2,427,807,399.54
  5. Step 5: Solve for x
    x = 2,427,807,399.54/63,078.64
  6. Step 6: Final answer
    x = 38,488.58

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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.