Home / 88,654.14-122,353.47-64,768.86

Finding the Fourth Proportional to 88,654.14, 122,353.47 and 64,768.86

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Solution

The fourth proportional to 88,654.14, 122,353.47 and 64,768.86 is: 89,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654.14 : 122,353.47 = 64,768.86 : x
  2. Step 2: Convert to fraction form
    88,654.14/122,353.47 = 64,768.86/x
  3. Step 3: Cross multiply
    88,654.14x = 122,353.47 × 64,768.86
  4. Step 4: Simplify right side
    88,654.14x = 7,924,694,768.94
  5. Step 5: Solve for x
    x = 7,924,694,768.94/88,654.14
  6. Step 6: Final answer
    x = 89,388.89

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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.