Home / 88,886.20-122,670.54-50,657.44

Finding the Fourth Proportional to 88,886.20, 122,670.54 and 50,657.44

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Solution

The fourth proportional to 88,886.20, 122,670.54 and 50,657.44 is: 69,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,886.20 : 122,670.54 = 50,657.44 : x
  2. Step 2: Convert to fraction form
    88,886.20/122,670.54 = 50,657.44/x
  3. Step 3: Cross multiply
    88,886.20x = 122,670.54 × 50,657.44
  4. Step 4: Simplify right side
    88,886.20x = 6,214,175,519.82
  5. Step 5: Solve for x
    x = 6,214,175,519.82/88,886.20
  6. Step 6: Final answer
    x = 69,911.59

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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.