Home / 79,559.30-109,790.91-43,747.18

Finding the Fourth Proportional to 79,559.30, 109,790.91 and 43,747.18

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Solution

The fourth proportional to 79,559.30, 109,790.91 and 43,747.18 is: 60,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,559.30 : 109,790.91 = 43,747.18 : x
  2. Step 2: Convert to fraction form
    79,559.30/109,790.91 = 43,747.18/x
  3. Step 3: Cross multiply
    79,559.30x = 109,790.91 × 43,747.18
  4. Step 4: Simplify right side
    79,559.30x = 4,803,042,702.13
  5. Step 5: Solve for x
    x = 4,803,042,702.13/79,559.30
  6. Step 6: Final answer
    x = 60,370.60

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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.