Home / 99,399.22-149,131.22-46,814.02

Finding the Fourth Proportional to 99,399.22, 149,131.22 and 46,814.02

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Solution

The fourth proportional to 99,399.22, 149,131.22 and 46,814.02 is: 70,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,399.22 : 149,131.22 = 46,814.02 : x
  2. Step 2: Convert to fraction form
    99,399.22/149,131.22 = 46,814.02/x
  3. Step 3: Cross multiply
    99,399.22x = 149,131.22 × 46,814.02
  4. Step 4: Simplify right side
    99,399.22x = 6,981,431,915.70
  5. Step 5: Solve for x
    x = 6,981,431,915.70/99,399.22
  6. Step 6: Final answer
    x = 70,236.28

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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.