Home / 78,550.20-117,628.47-62,000.10

Finding the Fourth Proportional to 78,550.20, 117,628.47 and 62,000.10

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Solution

The fourth proportional to 78,550.20, 117,628.47 and 62,000.10 is: 92,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,550.20 : 117,628.47 = 62,000.10 : x
  2. Step 2: Convert to fraction form
    78,550.20/117,628.47 = 62,000.10/x
  3. Step 3: Cross multiply
    78,550.20x = 117,628.47 × 62,000.10
  4. Step 4: Simplify right side
    78,550.20x = 7,292,976,902.85
  5. Step 5: Solve for x
    x = 7,292,976,902.85/78,550.20
  6. Step 6: Final answer
    x = 92,844.79

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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.