Home / 99,861.00-149,739.86-36,664.90

Finding the Fourth Proportional to 99,861.00, 149,739.86 and 36,664.90

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Solution

The fourth proportional to 99,861.00, 149,739.86 and 36,664.90 is: 54,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,861.00 : 149,739.86 = 36,664.90 : x
  2. Step 2: Convert to fraction form
    99,861.00/149,739.86 = 36,664.90/x
  3. Step 3: Cross multiply
    99,861.00x = 149,739.86 × 36,664.90
  4. Step 4: Simplify right side
    99,861.00x = 5,490,197,346.27
  5. Step 5: Solve for x
    x = 5,490,197,346.27/99,861.00
  6. Step 6: Final answer
    x = 54,978.39

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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.