Home / 104,743.20-144,546.96-56,997.84

Finding the Fourth Proportional to 104,743.20, 144,546.96 and 56,997.84

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Solution

The fourth proportional to 104,743.20, 144,546.96 and 56,997.84 is: 78,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,743.20 : 144,546.96 = 56,997.84 : x
  2. Step 2: Convert to fraction form
    104,743.20/144,546.96 = 56,997.84/x
  3. Step 3: Cross multiply
    104,743.20x = 144,546.96 × 56,997.84
  4. Step 4: Simplify right side
    104,743.20x = 8,238,864,498.57
  5. Step 5: Solve for x
    x = 8,238,864,498.57/104,743.20
  6. Step 6: Final answer
    x = 78,657.75

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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.