Home / 66,498.20-99,747.30-62,091.80

Finding the Fourth Proportional to 66,498.20, 99,747.30 and 62,091.80

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Solution

The fourth proportional to 66,498.20, 99,747.30 and 62,091.80 is: 93,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.20 : 99,747.30 = 62,091.80 : x
  2. Step 2: Convert to fraction form
    66,498.20/99,747.30 = 62,091.80/x
  3. Step 3: Cross multiply
    66,498.20x = 99,747.30 × 62,091.80
  4. Step 4: Simplify right side
    66,498.20x = 6,193,489,402.14
  5. Step 5: Solve for x
    x = 6,193,489,402.14/66,498.20
  6. Step 6: Final answer
    x = 93,137.70

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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.