Home / 88,878.20-122,659.50-50,649.44

Finding the Fourth Proportional to 88,878.20, 122,659.50 and 50,649.44

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Solution

The fourth proportional to 88,878.20, 122,659.50 and 50,649.44 is: 69,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,878.20 : 122,659.50 = 50,649.44 : x
  2. Step 2: Convert to fraction form
    88,878.20/122,659.50 = 50,649.44/x
  3. Step 3: Cross multiply
    88,878.20x = 122,659.50 × 50,649.44
  4. Step 4: Simplify right side
    88,878.20x = 6,212,634,985.68
  5. Step 5: Solve for x
    x = 6,212,634,985.68/88,878.20
  6. Step 6: Final answer
    x = 69,900.55

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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.