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Finding the Fourth Proportional to 61,296.99, 91,880.10 and 34,944.99

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Solution

The fourth proportional to 61,296.99, 91,880.10 and 34,944.99 is: 52,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,296.99 : 91,880.10 = 34,944.99 : x
  2. Step 2: Convert to fraction form
    61,296.99/91,880.10 = 34,944.99/x
  3. Step 3: Cross multiply
    61,296.99x = 91,880.10 × 34,944.99
  4. Step 4: Simplify right side
    61,296.99x = 3,210,749,175.70
  5. Step 5: Solve for x
    x = 3,210,749,175.70/61,296.99
  6. Step 6: Final answer
    x = 52,380.21

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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.