Home / 43,565.49-65,340.69-11,968.02

Finding the Fourth Proportional to 43,565.49, 65,340.69 and 11,968.02

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Solution

The fourth proportional to 43,565.49, 65,340.69 and 11,968.02 is: 17,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.49 : 65,340.69 = 11,968.02 : x
  2. Step 2: Convert to fraction form
    43,565.49/65,340.69 = 11,968.02/x
  3. Step 3: Cross multiply
    43,565.49x = 65,340.69 × 11,968.02
  4. Step 4: Simplify right side
    43,565.49x = 781,998,639.85
  5. Step 5: Solve for x
    x = 781,998,639.85/43,565.49
  6. Step 6: Final answer
    x = 17,949.96

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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.