Home / 99,824.30-149,757.96-28,746.45

Finding the Fourth Proportional to 99,824.30, 149,757.96 and 28,746.45

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Solution

The fourth proportional to 99,824.30, 149,757.96 and 28,746.45 is: 43,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,824.30 : 149,757.96 = 28,746.45 : x
  2. Step 2: Convert to fraction form
    99,824.30/149,757.96 = 28,746.45/x
  3. Step 3: Cross multiply
    99,824.30x = 149,757.96 × 28,746.45
  4. Step 4: Simplify right side
    99,824.30x = 4,305,009,709.24
  5. Step 5: Solve for x
    x = 4,305,009,709.24/99,824.30
  6. Step 6: Final answer
    x = 43,125.87

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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.