Home / 88,665.30-122,353.80-48,376.65

Finding the Fourth Proportional to 88,665.30, 122,353.80 and 48,376.65

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Solution

The fourth proportional to 88,665.30, 122,353.80 and 48,376.65 is: 66,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,665.30 : 122,353.80 = 48,376.65 : x
  2. Step 2: Convert to fraction form
    88,665.30/122,353.80 = 48,376.65/x
  3. Step 3: Cross multiply
    88,665.30x = 122,353.80 × 48,376.65
  4. Step 4: Simplify right side
    88,665.30x = 5,919,066,958.77
  5. Step 5: Solve for x
    x = 5,919,066,958.77/88,665.30
  6. Step 6: Final answer
    x = 66,757.42

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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.