Home / 104,439.30-156,745.35-48,365.70

Finding the Fourth Proportional to 104,439.30, 156,745.35 and 48,365.70

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Solution

The fourth proportional to 104,439.30, 156,745.35 and 48,365.70 is: 72,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.30 : 156,745.35 = 48,365.70 : x
  2. Step 2: Convert to fraction form
    104,439.30/156,745.35 = 48,365.70/x
  3. Step 3: Cross multiply
    104,439.30x = 156,745.35 × 48,365.70
  4. Step 4: Simplify right side
    104,439.30x = 7,581,098,574.50
  5. Step 5: Solve for x
    x = 7,581,098,574.50/104,439.30
  6. Step 6: Final answer
    x = 72,588.56

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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.