Home / 87,924.46-121,334.79-47,635.82

Finding the Fourth Proportional to 87,924.46, 121,334.79 and 47,635.82

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Solution

The fourth proportional to 87,924.46, 121,334.79 and 47,635.82 is: 65,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.46 : 121,334.79 = 47,635.82 : x
  2. Step 2: Convert to fraction form
    87,924.46/121,334.79 = 47,635.82/x
  3. Step 3: Cross multiply
    87,924.46x = 121,334.79 × 47,635.82
  4. Step 4: Simplify right side
    87,924.46x = 5,779,882,216.18
  5. Step 5: Solve for x
    x = 5,779,882,216.18/87,924.46
  6. Step 6: Final answer
    x = 65,736.91

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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.