Home / 99,398.22-149,129.72-46,813.02

Finding the Fourth Proportional to 99,398.22, 149,129.72 and 46,813.02

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Solution

The fourth proportional to 99,398.22, 149,129.72 and 46,813.02 is: 70,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,398.22 : 149,129.72 = 46,813.02 : x
  2. Step 2: Convert to fraction form
    99,398.22/149,129.72 = 46,813.02/x
  3. Step 3: Cross multiply
    99,398.22x = 149,129.72 × 46,813.02
  4. Step 4: Simplify right side
    99,398.22x = 6,981,212,564.95
  5. Step 5: Solve for x
    x = 6,981,212,564.95/99,398.22
  6. Step 6: Final answer
    x = 70,234.78

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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.