Home / 96,824.60-145,323.30-83,691.80

Finding the Fourth Proportional to 96,824.60, 145,323.30 and 83,691.80

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Solution

The fourth proportional to 96,824.60, 145,323.30 and 83,691.80 is: 125,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,824.60 : 145,323.30 = 83,691.80 : x
  2. Step 2: Convert to fraction form
    96,824.60/145,323.30 = 83,691.80/x
  3. Step 3: Cross multiply
    96,824.60x = 145,323.30 × 83,691.80
  4. Step 4: Simplify right side
    96,824.60x = 12,162,368,558.94
  5. Step 5: Solve for x
    x = 12,162,368,558.94/96,824.60
  6. Step 6: Final answer
    x = 125,612.38

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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.