Home / 112,688.82-168,982.20-53,596.08

Finding the Fourth Proportional to 112,688.82, 168,982.20 and 53,596.08

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Solution

The fourth proportional to 112,688.82, 168,982.20 and 53,596.08 is: 80,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,688.82 : 168,982.20 = 53,596.08 : x
  2. Step 2: Convert to fraction form
    112,688.82/168,982.20 = 53,596.08/x
  3. Step 3: Cross multiply
    112,688.82x = 168,982.20 × 53,596.08
  4. Step 4: Simplify right side
    112,688.82x = 9,056,783,509.78
  5. Step 5: Solve for x
    x = 9,056,783,509.78/112,688.82
  6. Step 6: Final answer
    x = 80,369.85

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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.