Home / 112,286.10-168,282.90-45,648.48

Finding the Fourth Proportional to 112,286.10, 168,282.90 and 45,648.48

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Solution

The fourth proportional to 112,286.10, 168,282.90 and 45,648.48 is: 68,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,286.10 : 168,282.90 = 45,648.48 : x
  2. Step 2: Convert to fraction form
    112,286.10/168,282.90 = 45,648.48/x
  3. Step 3: Cross multiply
    112,286.10x = 168,282.90 × 45,648.48
  4. Step 4: Simplify right side
    112,286.10x = 7,681,858,594.99
  5. Step 5: Solve for x
    x = 7,681,858,594.99/112,286.10
  6. Step 6: Final answer
    x = 68,413.26

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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.