Home / 104,660.45-144,432.44-56,914.83

Finding the Fourth Proportional to 104,660.45, 144,432.44 and 56,914.83

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Solution

The fourth proportional to 104,660.45, 144,432.44 and 56,914.83 is: 78,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.45 : 144,432.44 = 56,914.83 : x
  2. Step 2: Convert to fraction form
    104,660.45/144,432.44 = 56,914.83/x
  3. Step 3: Cross multiply
    104,660.45x = 144,432.44 × 56,914.83
  4. Step 4: Simplify right side
    104,660.45x = 8,220,347,769.09
  5. Step 5: Solve for x
    x = 8,220,347,769.09/104,660.45
  6. Step 6: Final answer
    x = 78,543.02

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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.