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Finding the Fourth Proportional to 99,350.50, 137,104.60 and 54,028.91

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Solution

The fourth proportional to 99,350.50, 137,104.60 and 54,028.91 is: 74,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,350.50 : 137,104.60 = 54,028.91 : x
  2. Step 2: Convert to fraction form
    99,350.50/137,104.60 = 54,028.91/x
  3. Step 3: Cross multiply
    99,350.50x = 137,104.60 × 54,028.91
  4. Step 4: Simplify right side
    99,350.50x = 7,407,612,093.99
  5. Step 5: Solve for x
    x = 7,407,612,093.99/99,350.50
  6. Step 6: Final answer
    x = 74,560.39

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1.5x scale

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.