Home / 88,942.96-122,742.25-48,655.86

Finding the Fourth Proportional to 88,942.96, 122,742.25 and 48,655.86

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Solution

The fourth proportional to 88,942.96, 122,742.25 and 48,655.86 is: 67,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,942.96 : 122,742.25 = 48,655.86 : x
  2. Step 2: Convert to fraction form
    88,942.96/122,742.25 = 48,655.86/x
  3. Step 3: Cross multiply
    88,942.96x = 122,742.25 × 48,655.86
  4. Step 4: Simplify right side
    88,942.96x = 5,972,129,262.76
  5. Step 5: Solve for x
    x = 5,972,129,262.76/88,942.96
  6. Step 6: Final answer
    x = 67,145.61

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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.