Home / 99,715.22-149,488.94-46,380.09

Finding the Fourth Proportional to 99,715.22, 149,488.94 and 46,380.09

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Solution

The fourth proportional to 99,715.22, 149,488.94 and 46,380.09 is: 69,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,715.22 : 149,488.94 = 46,380.09 : x
  2. Step 2: Convert to fraction form
    99,715.22/149,488.94 = 46,380.09/x
  3. Step 3: Cross multiply
    99,715.22x = 149,488.94 × 46,380.09
  4. Step 4: Simplify right side
    99,715.22x = 6,933,311,167.74
  5. Step 5: Solve for x
    x = 6,933,311,167.74/99,715.22
  6. Step 6: Final answer
    x = 69,531.12

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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.