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Finding the Fourth Proportional to 84,092.60, 125,996.16 and 50,742.59

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Solution

The fourth proportional to 84,092.60, 125,996.16 and 50,742.59 is: 76,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,092.60 : 125,996.16 = 50,742.59 : x
  2. Step 2: Convert to fraction form
    84,092.60/125,996.16 = 50,742.59/x
  3. Step 3: Cross multiply
    84,092.60x = 125,996.16 × 50,742.59
  4. Step 4: Simplify right side
    84,092.60x = 6,393,371,488.45
  5. Step 5: Solve for x
    x = 6,393,371,488.45/84,092.60
  6. Step 6: Final answer
    x = 76,027.75

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1.5x scale

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.