Home / 112,359.54-168,474.08-53,194.70

Finding the Fourth Proportional to 112,359.54, 168,474.08 and 53,194.70

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Solution

The fourth proportional to 112,359.54, 168,474.08 and 53,194.70 is: 79,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,359.54 : 168,474.08 = 53,194.70 : x
  2. Step 2: Convert to fraction form
    112,359.54/168,474.08 = 53,194.70/x
  3. Step 3: Cross multiply
    112,359.54x = 168,474.08 × 53,194.70
  4. Step 4: Simplify right side
    112,359.54x = 8,961,928,143.38
  5. Step 5: Solve for x
    x = 8,961,928,143.38/112,359.54
  6. Step 6: Final answer
    x = 79,761.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.