Home / 74,514.05-102,803.27-42,243.94

Finding the Fourth Proportional to 74,514.05, 102,803.27 and 42,243.94

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Solution

The fourth proportional to 74,514.05, 102,803.27 and 42,243.94 is: 58,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,514.05 : 102,803.27 = 42,243.94 : x
  2. Step 2: Convert to fraction form
    74,514.05/102,803.27 = 42,243.94/x
  3. Step 3: Cross multiply
    74,514.05x = 102,803.27 × 42,243.94
  4. Step 4: Simplify right side
    74,514.05x = 4,342,815,169.68
  5. Step 5: Solve for x
    x = 4,342,815,169.68/74,514.05
  6. Step 6: Final answer
    x = 58,281.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.