Home / 69,814.68-96,341.40-37,983.61

Finding the Fourth Proportional to 69,814.68, 96,341.40 and 37,983.61

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Solution

The fourth proportional to 69,814.68, 96,341.40 and 37,983.61 is: 52,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,814.68 : 96,341.40 = 37,983.61 : x
  2. Step 2: Convert to fraction form
    69,814.68/96,341.40 = 37,983.61/x
  3. Step 3: Cross multiply
    69,814.68x = 96,341.40 × 37,983.61
  4. Step 4: Simplify right side
    69,814.68x = 3,659,394,164.45
  5. Step 5: Solve for x
    x = 3,659,394,164.45/69,814.68
  6. Step 6: Final answer
    x = 52,415.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.