Home / 88,665.66-122,357.57-48,378.56

Finding the Fourth Proportional to 88,665.66, 122,357.57 and 48,378.56

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Solution

The fourth proportional to 88,665.66, 122,357.57 and 48,378.56 is: 66,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,665.66 : 122,357.57 = 48,378.56 : x
  2. Step 2: Convert to fraction form
    88,665.66/122,357.57 = 48,378.56/x
  3. Step 3: Cross multiply
    88,665.66x = 122,357.57 × 48,378.56
  4. Step 4: Simplify right side
    88,665.66x = 5,919,482,188.02
  5. Step 5: Solve for x
    x = 5,919,482,188.02/88,665.66
  6. Step 6: Final answer
    x = 66,761.84

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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.