Home / 112,001.40-168,078.90-49,716.60

Finding the Fourth Proportional to 112,001.40, 168,078.90 and 49,716.60

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Solution

The fourth proportional to 112,001.40, 168,078.90 and 49,716.60 is: 74,608.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.40 : 168,078.90 = 49,716.60 : x
  2. Step 2: Convert to fraction form
    112,001.40/168,078.90 = 49,716.60/x
  3. Step 3: Cross multiply
    112,001.40x = 168,078.90 × 49,716.60
  4. Step 4: Simplify right side
    112,001.40x = 8,356,311,439.74
  5. Step 5: Solve for x
    x = 8,356,311,439.74/112,001.40
  6. Step 6: Final answer
    x = 74,608.99

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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.