Home / 76,820.20-106,093.38-62,517.16

Finding the Fourth Proportional to 76,820.20, 106,093.38 and 62,517.16

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Solution

The fourth proportional to 76,820.20, 106,093.38 and 62,517.16 is: 86,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,820.20 : 106,093.38 = 62,517.16 : x
  2. Step 2: Convert to fraction form
    76,820.20/106,093.38 = 62,517.16/x
  3. Step 3: Cross multiply
    76,820.20x = 106,093.38 × 62,517.16
  4. Step 4: Simplify right side
    76,820.20x = 6,632,656,812.40
  5. Step 5: Solve for x
    x = 6,632,656,812.40/76,820.20
  6. Step 6: Final answer
    x = 86,340.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.