Home / 112,070.12-168,129.78-33,190.50

Finding the Fourth Proportional to 112,070.12, 168,129.78 and 33,190.50

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Solution

The fourth proportional to 112,070.12, 168,129.78 and 33,190.50 is: 49,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,070.12 : 168,129.78 = 33,190.50 : x
  2. Step 2: Convert to fraction form
    112,070.12/168,129.78 = 33,190.50/x
  3. Step 3: Cross multiply
    112,070.12x = 168,129.78 × 33,190.50
  4. Step 4: Simplify right side
    112,070.12x = 5,580,311,463.09
  5. Step 5: Solve for x
    x = 5,580,311,463.09/112,070.12
  6. Step 6: Final answer
    x = 49,793.04

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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.