Home / 104,418.30-156,627.45-34,280.70

Finding the Fourth Proportional to 104,418.30, 156,627.45 and 34,280.70

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Solution

The fourth proportional to 104,418.30, 156,627.45 and 34,280.70 is: 51,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,418.30 : 156,627.45 = 34,280.70 : x
  2. Step 2: Convert to fraction form
    104,418.30/156,627.45 = 34,280.70/x
  3. Step 3: Cross multiply
    104,418.30x = 156,627.45 × 34,280.70
  4. Step 4: Simplify right side
    104,418.30x = 5,369,298,625.22
  5. Step 5: Solve for x
    x = 5,369,298,625.22/104,418.30
  6. Step 6: Final answer
    x = 51,421.05

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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.