Home / 88,311.21-121,866.93-50,074.44

Finding the Fourth Proportional to 88,311.21, 121,866.93 and 50,074.44

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Solution

The fourth proportional to 88,311.21, 121,866.93 and 50,074.44 is: 69,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,311.21 : 121,866.93 = 50,074.44 : x
  2. Step 2: Convert to fraction form
    88,311.21/121,866.93 = 50,074.44/x
  3. Step 3: Cross multiply
    88,311.21x = 121,866.93 × 50,074.44
  4. Step 4: Simplify right side
    88,311.21x = 6,102,418,274.27
  5. Step 5: Solve for x
    x = 6,102,418,274.27/88,311.21
  6. Step 6: Final answer
    x = 69,101.29

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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.