Home / 83,098.20-124,647.30-49,855.80

Finding the Fourth Proportional to 83,098.20, 124,647.30 and 49,855.80

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Solution

The fourth proportional to 83,098.20, 124,647.30 and 49,855.80 is: 74,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,098.20 : 124,647.30 = 49,855.80 : x
  2. Step 2: Convert to fraction form
    83,098.20/124,647.30 = 49,855.80/x
  3. Step 3: Cross multiply
    83,098.20x = 124,647.30 × 49,855.80
  4. Step 4: Simplify right side
    83,098.20x = 6,214,390,859.34
  5. Step 5: Solve for x
    x = 6,214,390,859.34/83,098.20
  6. Step 6: Final answer
    x = 74,783.70

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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.