Home / 89,211.22-123,113.18-48,922.58

Finding the Fourth Proportional to 89,211.22, 123,113.18 and 48,922.58

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Solution

The fourth proportional to 89,211.22, 123,113.18 and 48,922.58 is: 67,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.22 : 123,113.18 = 48,922.58 : x
  2. Step 2: Convert to fraction form
    89,211.22/123,113.18 = 48,922.58/x
  3. Step 3: Cross multiply
    89,211.22x = 123,113.18 × 48,922.58
  4. Step 4: Simplify right side
    89,211.22x = 6,023,014,397.60
  5. Step 5: Solve for x
    x = 6,023,014,397.60/89,211.22
  6. Step 6: Final answer
    x = 67,514.09

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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.