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Finding the Fourth Proportional to 63,138.77, 94,697.86 and 25,697.33

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Solution

The fourth proportional to 63,138.77, 94,697.86 and 25,697.33 is: 38,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,138.77 : 94,697.86 = 25,697.33 : x
  2. Step 2: Convert to fraction form
    63,138.77/94,697.86 = 25,697.33/x
  3. Step 3: Cross multiply
    63,138.77x = 94,697.86 × 25,697.33
  4. Step 4: Simplify right side
    63,138.77x = 2,433,482,556.96
  5. Step 5: Solve for x
    x = 2,433,482,556.96/63,138.77
  6. Step 6: Final answer
    x = 38,541.81

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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.