Home / 64,466.28-88,971.60-36,171.80

Finding the Fourth Proportional to 64,466.28, 88,971.60 and 36,171.80

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Solution

The fourth proportional to 64,466.28, 88,971.60 and 36,171.80 is: 49,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,466.28 : 88,971.60 = 36,171.80 : x
  2. Step 2: Convert to fraction form
    64,466.28/88,971.60 = 36,171.80/x
  3. Step 3: Cross multiply
    64,466.28x = 88,971.60 × 36,171.80
  4. Step 4: Simplify right side
    64,466.28x = 3,218,262,920.88
  5. Step 5: Solve for x
    x = 3,218,262,920.88/64,466.28
  6. Step 6: Final answer
    x = 49,921.65

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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.