Home / 88,407.84-122,003.04-48,121.60

Finding the Fourth Proportional to 88,407.84, 122,003.04 and 48,121.60

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Solution

The fourth proportional to 88,407.84, 122,003.04 and 48,121.60 is: 66,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.84 : 122,003.04 = 48,121.60 : x
  2. Step 2: Convert to fraction form
    88,407.84/122,003.04 = 48,121.60/x
  3. Step 3: Cross multiply
    88,407.84x = 122,003.04 × 48,121.60
  4. Step 4: Simplify right side
    88,407.84x = 5,870,981,489.66
  5. Step 5: Solve for x
    x = 5,870,981,489.66/88,407.84
  6. Step 6: Final answer
    x = 66,407.93

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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.