Home / 78,790.20-108,726.14-44,794

Finding the Fourth Proportional to 78,790.20, 108,726.14 and 44,794

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Solution

The fourth proportional to 78,790.20, 108,726.14 and 44,794 is: 61,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,790.20 : 108,726.14 = 44,794 : x
  2. Step 2: Convert to fraction form
    78,790.20/108,726.14 = 44,794/x
  3. Step 3: Cross multiply
    78,790.20x = 108,726.14 × 44,794
  4. Step 4: Simplify right side
    78,790.20x = 4,870,278,715.16
  5. Step 5: Solve for x
    x = 4,870,278,715.16/78,790.20
  6. Step 6: Final answer
    x = 61,813.25

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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.