Home / 112,310.92-168,656.52-75,110.05

Finding the Fourth Proportional to 112,310.92, 168,656.52 and 75,110.05

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Solution

The fourth proportional to 112,310.92, 168,656.52 and 75,110.05 is: 112,792.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.92 : 168,656.52 = 75,110.05 : x
  2. Step 2: Convert to fraction form
    112,310.92/168,656.52 = 75,110.05/x
  3. Step 3: Cross multiply
    112,310.92x = 168,656.52 × 75,110.05
  4. Step 4: Simplify right side
    112,310.92x = 12,667,798,806.74
  5. Step 5: Solve for x
    x = 12,667,798,806.74/112,310.92
  6. Step 6: Final answer
    x = 112,792.23

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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.