Home / 74,435.38-111,641.34-61,865.84

Finding the Fourth Proportional to 74,435.38, 111,641.34 and 61,865.84

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Solution

The fourth proportional to 74,435.38, 111,641.34 and 61,865.84 is: 92,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.38 : 111,641.34 = 61,865.84 : x
  2. Step 2: Convert to fraction form
    74,435.38/111,641.34 = 61,865.84/x
  3. Step 3: Cross multiply
    74,435.38x = 111,641.34 × 61,865.84
  4. Step 4: Simplify right side
    74,435.38x = 6,906,785,499.24
  5. Step 5: Solve for x
    x = 6,906,785,499.24/74,435.38
  6. Step 6: Final answer
    x = 92,789.02

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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.