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Finding the Fourth Proportional to 79,108.54, 118,744.82 and 52,995.76

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Solution

The fourth proportional to 79,108.54, 118,744.82 and 52,995.76 is: 79,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,108.54 : 118,744.82 = 52,995.76 : x
  2. Step 2: Convert to fraction form
    79,108.54/118,744.82 = 52,995.76/x
  3. Step 3: Cross multiply
    79,108.54x = 118,744.82 × 52,995.76
  4. Step 4: Simplify right side
    79,108.54x = 6,292,971,981.96
  5. Step 5: Solve for x
    x = 6,292,971,981.96/79,108.54
  6. Step 6: Final answer
    x = 79,548.58

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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.