Home / 76,801.08-115,201.70-50,622.72

Finding the Fourth Proportional to 76,801.08, 115,201.70 and 50,622.72

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Solution

The fourth proportional to 76,801.08, 115,201.70 and 50,622.72 is: 75,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,801.08 : 115,201.70 = 50,622.72 : x
  2. Step 2: Convert to fraction form
    76,801.08/115,201.70 = 50,622.72/x
  3. Step 3: Cross multiply
    76,801.08x = 115,201.70 × 50,622.72
  4. Step 4: Simplify right side
    76,801.08x = 5,831,823,402.62
  5. Step 5: Solve for x
    x = 5,831,823,402.62/76,801.08
  6. Step 6: Final answer
    x = 75,934.13

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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.