Home / 99,887.72-149,782.03-36,705.29

Finding the Fourth Proportional to 99,887.72, 149,782.03 and 36,705.29

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Solution

The fourth proportional to 99,887.72, 149,782.03 and 36,705.29 is: 55,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,887.72 : 149,782.03 = 36,705.29 : x
  2. Step 2: Convert to fraction form
    99,887.72/149,782.03 = 36,705.29/x
  3. Step 3: Cross multiply
    99,887.72x = 149,782.03 × 36,705.29
  4. Step 4: Simplify right side
    99,887.72x = 5,497,792,007.27
  5. Step 5: Solve for x
    x = 5,497,792,007.27/99,887.72
  6. Step 6: Final answer
    x = 55,039.72

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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.