Home / 79,834.86-119,736.86-26,518.54

Finding the Fourth Proportional to 79,834.86, 119,736.86 and 26,518.54

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Solution

The fourth proportional to 79,834.86, 119,736.86 and 26,518.54 is: 39,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,834.86 : 119,736.86 = 26,518.54 : x
  2. Step 2: Convert to fraction form
    79,834.86/119,736.86 = 26,518.54/x
  3. Step 3: Cross multiply
    79,834.86x = 119,736.86 × 26,518.54
  4. Step 4: Simplify right side
    79,834.86x = 3,175,246,711.38
  5. Step 5: Solve for x
    x = 3,175,246,711.38/79,834.86
  6. Step 6: Final answer
    x = 39,772.68

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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.