Home / 87,923.46-121,333.41-47,634.82

Finding the Fourth Proportional to 87,923.46, 121,333.41 and 47,634.82

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Solution

The fourth proportional to 87,923.46, 121,333.41 and 47,634.82 is: 65,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.46 : 121,333.41 = 47,634.82 : x
  2. Step 2: Convert to fraction form
    87,923.46/121,333.41 = 47,634.82/x
  3. Step 3: Cross multiply
    87,923.46x = 121,333.41 × 47,634.82
  4. Step 4: Simplify right side
    87,923.46x = 5,779,694,842.00
  5. Step 5: Solve for x
    x = 5,779,694,842.00/87,923.46
  6. Step 6: Final answer
    x = 65,735.53

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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.