Home / 99,558.72-149,248.44-36,334.68

Finding the Fourth Proportional to 99,558.72, 149,248.44 and 36,334.68

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Solution

The fourth proportional to 99,558.72, 149,248.44 and 36,334.68 is: 54,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,558.72 : 149,248.44 = 36,334.68 : x
  2. Step 2: Convert to fraction form
    99,558.72/149,248.44 = 36,334.68/x
  3. Step 3: Cross multiply
    99,558.72x = 149,248.44 × 36,334.68
  4. Step 4: Simplify right side
    99,558.72x = 5,422,894,307.90
  5. Step 5: Solve for x
    x = 5,422,894,307.90/99,558.72
  6. Step 6: Final answer
    x = 54,469.31

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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.