Home / 80,822.18-111,496.02-62,793.80

Finding the Fourth Proportional to 80,822.18, 111,496.02 and 62,793.80

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Solution

The fourth proportional to 80,822.18, 111,496.02 and 62,793.80 is: 86,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,822.18 : 111,496.02 = 62,793.80 : x
  2. Step 2: Convert to fraction form
    80,822.18/111,496.02 = 62,793.80/x
  3. Step 3: Cross multiply
    80,822.18x = 111,496.02 × 62,793.80
  4. Step 4: Simplify right side
    80,822.18x = 7,001,258,780.68
  5. Step 5: Solve for x
    x = 7,001,258,780.68/80,822.18
  6. Step 6: Final answer
    x = 86,625.46

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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.