Home / 74,505.08-111,785.20-27,123.93

Finding the Fourth Proportional to 74,505.08, 111,785.20 and 27,123.93

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Solution

The fourth proportional to 74,505.08, 111,785.20 and 27,123.93 is: 40,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,505.08 : 111,785.20 = 27,123.93 : x
  2. Step 2: Convert to fraction form
    74,505.08/111,785.20 = 27,123.93/x
  3. Step 3: Cross multiply
    74,505.08x = 111,785.20 × 27,123.93
  4. Step 4: Simplify right side
    74,505.08x = 3,032,053,872.03
  5. Step 5: Solve for x
    x = 3,032,053,872.03/74,505.08
  6. Step 6: Final answer
    x = 40,695.93

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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.