Home / 87,087.58-120,185.61-48,859.23

Finding the Fourth Proportional to 87,087.58, 120,185.61 and 48,859.23

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Solution

The fourth proportional to 87,087.58, 120,185.61 and 48,859.23 is: 67,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,087.58 : 120,185.61 = 48,859.23 : x
  2. Step 2: Convert to fraction form
    87,087.58/120,185.61 = 48,859.23/x
  3. Step 3: Cross multiply
    87,087.58x = 120,185.61 × 48,859.23
  4. Step 4: Simplify right side
    87,087.58x = 5,872,176,361.68
  5. Step 5: Solve for x
    x = 5,872,176,361.68/87,087.58
  6. Step 6: Final answer
    x = 67,428.40

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1.5x scale

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.