Home / 74,284.58-102,514.11-45,589.86

Finding the Fourth Proportional to 74,284.58, 102,514.11 and 45,589.86

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Solution

The fourth proportional to 74,284.58, 102,514.11 and 45,589.86 is: 62,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,284.58 : 102,514.11 = 45,589.86 : x
  2. Step 2: Convert to fraction form
    74,284.58/102,514.11 = 45,589.86/x
  3. Step 3: Cross multiply
    74,284.58x = 102,514.11 × 45,589.86
  4. Step 4: Simplify right side
    74,284.58x = 4,673,603,922.92
  5. Step 5: Solve for x
    x = 4,673,603,922.92/74,284.58
  6. Step 6: Final answer
    x = 62,914.86

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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.