Home / 99,389.87-149,085.62-36,255.23

Finding the Fourth Proportional to 99,389.87, 149,085.62 and 36,255.23

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Solution

The fourth proportional to 99,389.87, 149,085.62 and 36,255.23 is: 54,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,389.87 : 149,085.62 = 36,255.23 : x
  2. Step 2: Convert to fraction form
    99,389.87/149,085.62 = 36,255.23/x
  3. Step 3: Cross multiply
    99,389.87x = 149,085.62 × 36,255.23
  4. Step 4: Simplify right side
    99,389.87x = 5,405,133,442.79
  5. Step 5: Solve for x
    x = 5,405,133,442.79/99,389.87
  6. Step 6: Final answer
    x = 54,383.14

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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.