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Finding the Fourth Proportional to 99,773.99, 149,685.83 and 29,651.39

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Solution

The fourth proportional to 99,773.99, 149,685.83 and 29,651.39 is: 44,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,773.99 : 149,685.83 = 29,651.39 : x
  2. Step 2: Convert to fraction form
    99,773.99/149,685.83 = 29,651.39/x
  3. Step 3: Cross multiply
    99,773.99x = 149,685.83 × 29,651.39
  4. Step 4: Simplify right side
    99,773.99x = 4,438,392,774.55
  5. Step 5: Solve for x
    x = 4,438,392,774.55/99,773.99
  6. Step 6: Final answer
    x = 44,484.47

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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.