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Finding the Fourth Proportional to 88,544, 122,191.96 and 50,818.24

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Solution

The fourth proportional to 88,544, 122,191.96 and 50,818.24 is: 70,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,544 : 122,191.96 = 50,818.24 : x
  2. Step 2: Convert to fraction form
    88,544/122,191.96 = 50,818.24/x
  3. Step 3: Cross multiply
    88,544x = 122,191.96 × 50,818.24
  4. Step 4: Simplify right side
    88,544x = 6,209,580,349.35
  5. Step 5: Solve for x
    x = 6,209,580,349.35/88,544
  6. Step 6: Final answer
    x = 70,129.88

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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.