Home / 112,252.91-154,912.23-61,268.81

Finding the Fourth Proportional to 112,252.91, 154,912.23 and 61,268.81

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Solution

The fourth proportional to 112,252.91, 154,912.23 and 61,268.81 is: 84,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,252.91 : 154,912.23 = 61,268.81 : x
  2. Step 2: Convert to fraction form
    112,252.91/154,912.23 = 61,268.81/x
  3. Step 3: Cross multiply
    112,252.91x = 154,912.23 × 61,268.81
  4. Step 4: Simplify right side
    112,252.91x = 9,491,287,211.99
  5. Step 5: Solve for x
    x = 9,491,287,211.99/112,252.91
  6. Step 6: Final answer
    x = 84,552.71

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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.