Home / 65,690.15-98,442.08-50,829.89

Finding the Fourth Proportional to 65,690.15, 98,442.08 and 50,829.89

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Solution

The fourth proportional to 65,690.15, 98,442.08 and 50,829.89 is: 76,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,690.15 : 98,442.08 = 50,829.89 : x
  2. Step 2: Convert to fraction form
    65,690.15/98,442.08 = 50,829.89/x
  3. Step 3: Cross multiply
    65,690.15x = 98,442.08 × 50,829.89
  4. Step 4: Simplify right side
    65,690.15x = 5,003,799,843.62
  5. Step 5: Solve for x
    x = 5,003,799,843.62/65,690.15
  6. Step 6: Final answer
    x = 76,172.76

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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.