Home / 104,428.10-156,431.46-48,190.08

Finding the Fourth Proportional to 104,428.10, 156,431.46 and 48,190.08

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Solution

The fourth proportional to 104,428.10, 156,431.46 and 48,190.08 is: 72,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,428.10 : 156,431.46 = 48,190.08 : x
  2. Step 2: Convert to fraction form
    104,428.10/156,431.46 = 48,190.08/x
  3. Step 3: Cross multiply
    104,428.10x = 156,431.46 × 48,190.08
  4. Step 4: Simplify right side
    104,428.10x = 7,538,444,571.92
  5. Step 5: Solve for x
    x = 7,538,444,571.92/104,428.10
  6. Step 6: Final answer
    x = 72,187.89

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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.