Home / 104,640.10-156,805.77-61,901.34

Finding the Fourth Proportional to 104,640.10, 156,805.77 and 61,901.34

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Solution

The fourth proportional to 104,640.10, 156,805.77 and 61,901.34 is: 92,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640.10 : 156,805.77 = 61,901.34 : x
  2. Step 2: Convert to fraction form
    104,640.10/156,805.77 = 61,901.34/x
  3. Step 3: Cross multiply
    104,640.10x = 156,805.77 × 61,901.34
  4. Step 4: Simplify right side
    104,640.10x = 9,706,487,282.73
  5. Step 5: Solve for x
    x = 9,706,487,282.73/104,640.10
  6. Step 6: Final answer
    x = 92,760.68

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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.