Home / 65,747.20-98,620.80-26,332.60

Finding the Fourth Proportional to 65,747.20, 98,620.80 and 26,332.60

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Solution

The fourth proportional to 65,747.20, 98,620.80 and 26,332.60 is: 39,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,747.20 : 98,620.80 = 26,332.60 : x
  2. Step 2: Convert to fraction form
    65,747.20/98,620.80 = 26,332.60/x
  3. Step 3: Cross multiply
    65,747.20x = 98,620.80 × 26,332.60
  4. Step 4: Simplify right side
    65,747.20x = 2,596,942,078.08
  5. Step 5: Solve for x
    x = 2,596,942,078.08/65,747.20
  6. Step 6: Final answer
    x = 39,498.90

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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.