Home / 99,544.12-149,230.62-43,341.40

Finding the Fourth Proportional to 99,544.12, 149,230.62 and 43,341.40

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Solution

The fourth proportional to 99,544.12, 149,230.62 and 43,341.40 is: 64,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,544.12 : 149,230.62 = 43,341.40 : x
  2. Step 2: Convert to fraction form
    99,544.12/149,230.62 = 43,341.40/x
  3. Step 3: Cross multiply
    99,544.12x = 149,230.62 × 43,341.40
  4. Step 4: Simplify right side
    99,544.12x = 6,467,863,993.67
  5. Step 5: Solve for x
    x = 6,467,863,993.67/99,544.12
  6. Step 6: Final answer
    x = 64,974.85

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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.