Home / 82,869.20-124,308-23,713.64

Finding the Fourth Proportional to 82,869.20, 124,308 and 23,713.64

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Solution

The fourth proportional to 82,869.20, 124,308 and 23,713.64 is: 35,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.20 : 124,308 = 23,713.64 : x
  2. Step 2: Convert to fraction form
    82,869.20/124,308 = 23,713.64/x
  3. Step 3: Cross multiply
    82,869.20x = 124,308 × 23,713.64
  4. Step 4: Simplify right side
    82,869.20x = 2,947,795,161.12
  5. Step 5: Solve for x
    x = 2,947,795,161.12/82,869.20
  6. Step 6: Final answer
    x = 35,571.66

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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.