Home / 99,325.13-149,081.32-36,206.25

Finding the Fourth Proportional to 99,325.13, 149,081.32 and 36,206.25

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Solution

The fourth proportional to 99,325.13, 149,081.32 and 36,206.25 is: 54,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,325.13 : 149,081.32 = 36,206.25 : x
  2. Step 2: Convert to fraction form
    99,325.13/149,081.32 = 36,206.25/x
  3. Step 3: Cross multiply
    99,325.13x = 149,081.32 × 36,206.25
  4. Step 4: Simplify right side
    99,325.13x = 5,397,676,010.79
  5. Step 5: Solve for x
    x = 5,397,676,010.79/99,325.13
  6. Step 6: Final answer
    x = 54,343.51

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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.