Home / 43,712.10-65,568.15-43,323.30

Finding the Fourth Proportional to 43,712.10, 65,568.15 and 43,323.30

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Solution

The fourth proportional to 43,712.10, 65,568.15 and 43,323.30 is: 64,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.10 : 65,568.15 = 43,323.30 : x
  2. Step 2: Convert to fraction form
    43,712.10/65,568.15 = 43,323.30/x
  3. Step 3: Cross multiply
    43,712.10x = 65,568.15 × 43,323.30
  4. Step 4: Simplify right side
    43,712.10x = 2,840,628,632.90
  5. Step 5: Solve for x
    x = 2,840,628,632.90/43,712.10
  6. Step 6: Final answer
    x = 64,984.95

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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.