Home / 112,652.43-155,458.94-61,664.96

Finding the Fourth Proportional to 112,652.43, 155,458.94 and 61,664.96

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Solution

The fourth proportional to 112,652.43, 155,458.94 and 61,664.96 is: 85,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,652.43 : 155,458.94 = 61,664.96 : x
  2. Step 2: Convert to fraction form
    112,652.43/155,458.94 = 61,664.96/x
  3. Step 3: Cross multiply
    112,652.43x = 155,458.94 × 61,664.96
  4. Step 4: Simplify right side
    112,652.43x = 9,586,368,231.12
  5. Step 5: Solve for x
    x = 9,586,368,231.12/112,652.43
  6. Step 6: Final answer
    x = 85,096.86

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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.