Home / 74,196.38-111,220.32-36,783.83

Finding the Fourth Proportional to 74,196.38, 111,220.32 and 36,783.83

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Solution

The fourth proportional to 74,196.38, 111,220.32 and 36,783.83 is: 55,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,196.38 : 111,220.32 = 36,783.83 : x
  2. Step 2: Convert to fraction form
    74,196.38/111,220.32 = 36,783.83/x
  3. Step 3: Cross multiply
    74,196.38x = 111,220.32 × 36,783.83
  4. Step 4: Simplify right side
    74,196.38x = 4,091,109,343.43
  5. Step 5: Solve for x
    x = 4,091,109,343.43/74,196.38
  6. Step 6: Final answer
    x = 55,138.93

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1.5x scale

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.