Home / 99,826.94-149,285.58-74,544.20

Finding the Fourth Proportional to 99,826.94, 149,285.58 and 74,544.20

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Solution

The fourth proportional to 99,826.94, 149,285.58 and 74,544.20 is: 111,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,826.94 : 149,285.58 = 74,544.20 : x
  2. Step 2: Convert to fraction form
    99,826.94/149,285.58 = 74,544.20/x
  3. Step 3: Cross multiply
    99,826.94x = 149,285.58 × 74,544.20
  4. Step 4: Simplify right side
    99,826.94x = 11,128,373,759.92
  5. Step 5: Solve for x
    x = 11,128,373,759.92/99,826.94
  6. Step 6: Final answer
    x = 111,476.66

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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.