Home / 104,539.20-144,265.11-56,792.89

Finding the Fourth Proportional to 104,539.20, 144,265.11 and 56,792.89

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Solution

The fourth proportional to 104,539.20, 144,265.11 and 56,792.89 is: 78,374.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,539.20 : 144,265.11 = 56,792.89 : x
  2. Step 2: Convert to fraction form
    104,539.20/144,265.11 = 56,792.89/x
  3. Step 3: Cross multiply
    104,539.20x = 144,265.11 × 56,792.89
  4. Step 4: Simplify right side
    104,539.20x = 8,193,231,949.43
  5. Step 5: Solve for x
    x = 8,193,231,949.43/104,539.20
  6. Step 6: Final answer
    x = 78,374.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.