Home / 84,849.16-117,077.76-49,042.48

Finding the Fourth Proportional to 84,849.16, 117,077.76 and 49,042.48

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Solution

The fourth proportional to 84,849.16, 117,077.76 and 49,042.48 is: 67,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,849.16 : 117,077.76 = 49,042.48 : x
  2. Step 2: Convert to fraction form
    84,849.16/117,077.76 = 49,042.48/x
  3. Step 3: Cross multiply
    84,849.16x = 117,077.76 × 49,042.48
  4. Step 4: Simplify right side
    84,849.16x = 5,741,783,703.24
  5. Step 5: Solve for x
    x = 5,741,783,703.24/84,849.16
  6. Step 6: Final answer
    x = 67,670.48

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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.