Home / 65,829.20-98,662.80-44,769.20

Finding the Fourth Proportional to 65,829.20, 98,662.80 and 44,769.20

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Solution

The fourth proportional to 65,829.20, 98,662.80 and 44,769.20 is: 67,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.20 : 98,662.80 = 44,769.20 : x
  2. Step 2: Convert to fraction form
    65,829.20/98,662.80 = 44,769.20/x
  3. Step 3: Cross multiply
    65,829.20x = 98,662.80 × 44,769.20
  4. Step 4: Simplify right side
    65,829.20x = 4,417,054,625.76
  5. Step 5: Solve for x
    x = 4,417,054,625.76/65,829.20
  6. Step 6: Final answer
    x = 67,098.71

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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.