Home / 74,291.25-111,311.09-53,123.83

Finding the Fourth Proportional to 74,291.25, 111,311.09 and 53,123.83

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Solution

The fourth proportional to 74,291.25, 111,311.09 and 53,123.83 is: 79,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,291.25 : 111,311.09 = 53,123.83 : x
  2. Step 2: Convert to fraction form
    74,291.25/111,311.09 = 53,123.83/x
  3. Step 3: Cross multiply
    74,291.25x = 111,311.09 × 53,123.83
  4. Step 4: Simplify right side
    74,291.25x = 5,913,270,878.38
  5. Step 5: Solve for x
    x = 5,913,270,878.38/74,291.25
  6. Step 6: Final answer
    x = 79,595.79

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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.