Home / 76,959.50-115,355.19-48,892.10

Finding the Fourth Proportional to 76,959.50, 115,355.19 and 48,892.10

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Solution

The fourth proportional to 76,959.50, 115,355.19 and 48,892.10 is: 73,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,959.50 : 115,355.19 = 48,892.10 : x
  2. Step 2: Convert to fraction form
    76,959.50/115,355.19 = 48,892.10/x
  3. Step 3: Cross multiply
    76,959.50x = 115,355.19 × 48,892.10
  4. Step 4: Simplify right side
    76,959.50x = 5,639,957,485.00
  5. Step 5: Solve for x
    x = 5,639,957,485.00/76,959.50
  6. Step 6: Final answer
    x = 73,284.75

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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.