Home / 113,511.86-156,647.42-62,524.78

Finding the Fourth Proportional to 113,511.86, 156,647.42 and 62,524.78

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Solution

The fourth proportional to 113,511.86, 156,647.42 and 62,524.78 is: 86,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,511.86 : 156,647.42 = 62,524.78 : x
  2. Step 2: Convert to fraction form
    113,511.86/156,647.42 = 62,524.78/x
  3. Step 3: Cross multiply
    113,511.86x = 156,647.42 × 62,524.78
  4. Step 4: Simplify right side
    113,511.86x = 9,794,345,473.07
  5. Step 5: Solve for x
    x = 9,794,345,473.07/113,511.86
  6. Step 6: Final answer
    x = 86,284.78

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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.