Home / 88,087.19-121,560.48-50,361.44

Finding the Fourth Proportional to 88,087.19, 121,560.48 and 50,361.44

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Solution

The fourth proportional to 88,087.19, 121,560.48 and 50,361.44 is: 69,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,087.19 : 121,560.48 = 50,361.44 : x
  2. Step 2: Convert to fraction form
    88,087.19/121,560.48 = 50,361.44/x
  3. Step 3: Cross multiply
    88,087.19x = 121,560.48 × 50,361.44
  4. Step 4: Simplify right side
    88,087.19x = 6,121,960,212.09
  5. Step 5: Solve for x
    x = 6,121,960,212.09/88,087.19
  6. Step 6: Final answer
    x = 69,498.87

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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.