Home / 96,822.80-144,845.40-83,819.60

Finding the Fourth Proportional to 96,822.80, 144,845.40 and 83,819.60

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Solution

The fourth proportional to 96,822.80, 144,845.40 and 83,819.60 is: 125,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,822.80 : 144,845.40 = 83,819.60 : x
  2. Step 2: Convert to fraction form
    96,822.80/144,845.40 = 83,819.60/x
  3. Step 3: Cross multiply
    96,822.80x = 144,845.40 × 83,819.60
  4. Step 4: Simplify right side
    96,822.80x = 12,140,883,489.84
  5. Step 5: Solve for x
    x = 12,140,883,489.84/96,822.80
  6. Step 6: Final answer
    x = 125,392.82

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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.