Home / 79,982.15-110,370.92-49,766.51

Finding the Fourth Proportional to 79,982.15, 110,370.92 and 49,766.51

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Solution

The fourth proportional to 79,982.15, 110,370.92 and 49,766.51 is: 68,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,982.15 : 110,370.92 = 49,766.51 : x
  2. Step 2: Convert to fraction form
    79,982.15/110,370.92 = 49,766.51/x
  3. Step 3: Cross multiply
    79,982.15x = 110,370.92 × 49,766.51
  4. Step 4: Simplify right side
    79,982.15x = 5,492,774,693.20
  5. Step 5: Solve for x
    x = 5,492,774,693.20/79,982.15
  6. Step 6: Final answer
    x = 68,675.01

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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.