Home / 88,655.14-122,354.85-64,769.86

Finding the Fourth Proportional to 88,655.14, 122,354.85 and 64,769.86

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Solution

The fourth proportional to 88,655.14, 122,354.85 and 64,769.86 is: 89,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655.14 : 122,354.85 = 64,769.86 : x
  2. Step 2: Convert to fraction form
    88,655.14/122,354.85 = 64,769.86/x
  3. Step 3: Cross multiply
    88,655.14x = 122,354.85 × 64,769.86
  4. Step 4: Simplify right side
    88,655.14x = 7,924,906,504.82
  5. Step 5: Solve for x
    x = 7,924,906,504.82/88,655.14
  6. Step 6: Final answer
    x = 89,390.27

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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.