Home / 79,899.37-119,694.50-66,922.46

Finding the Fourth Proportional to 79,899.37, 119,694.50 and 66,922.46

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Solution

The fourth proportional to 79,899.37, 119,694.50 and 66,922.46 is: 100,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,899.37 : 119,694.50 = 66,922.46 : x
  2. Step 2: Convert to fraction form
    79,899.37/119,694.50 = 66,922.46/x
  3. Step 3: Cross multiply
    79,899.37x = 119,694.50 × 66,922.46
  4. Step 4: Simplify right side
    79,899.37x = 8,010,251,204.92
  5. Step 5: Solve for x
    x = 8,010,251,204.92/79,899.37
  6. Step 6: Final answer
    x = 100,254.25

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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.