Home / 87,852.96-121,224-49,611.74

Finding the Fourth Proportional to 87,852.96, 121,224 and 49,611.74

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Solution

The fourth proportional to 87,852.96, 121,224 and 49,611.74 is: 68,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.96 : 121,224 = 49,611.74 : x
  2. Step 2: Convert to fraction form
    87,852.96/121,224 = 49,611.74/x
  3. Step 3: Cross multiply
    87,852.96x = 121,224 × 49,611.74
  4. Step 4: Simplify right side
    87,852.96x = 6,014,133,872.82
  5. Step 5: Solve for x
    x = 6,014,133,872.82/87,852.96
  6. Step 6: Final answer
    x = 68,456.82

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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.