Home / 77,084.48-115,624.08-32,682.64

Finding the Fourth Proportional to 77,084.48, 115,624.08 and 32,682.64

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Solution

The fourth proportional to 77,084.48, 115,624.08 and 32,682.64 is: 49,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,084.48 : 115,624.08 = 32,682.64 : x
  2. Step 2: Convert to fraction form
    77,084.48/115,624.08 = 32,682.64/x
  3. Step 3: Cross multiply
    77,084.48x = 115,624.08 × 32,682.64
  4. Step 4: Simplify right side
    77,084.48x = 3,778,900,181.97
  5. Step 5: Solve for x
    x = 3,778,900,181.97/77,084.48
  6. Step 6: Final answer
    x = 49,022.84

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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.