Home / 104,490.08-156,735.12-25,603.62

Finding the Fourth Proportional to 104,490.08, 156,735.12 and 25,603.62

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Solution

The fourth proportional to 104,490.08, 156,735.12 and 25,603.62 is: 38,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,490.08 : 156,735.12 = 25,603.62 : x
  2. Step 2: Convert to fraction form
    104,490.08/156,735.12 = 25,603.62/x
  3. Step 3: Cross multiply
    104,490.08x = 156,735.12 × 25,603.62
  4. Step 4: Simplify right side
    104,490.08x = 4,012,986,453.13
  5. Step 5: Solve for x
    x = 4,012,986,453.13/104,490.08
  6. Step 6: Final answer
    x = 38,405.43

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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.