Home / 86,119.44-118,834.20-49,827.12

Finding the Fourth Proportional to 86,119.44, 118,834.20 and 49,827.12

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Solution

The fourth proportional to 86,119.44, 118,834.20 and 49,827.12 is: 68,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,119.44 : 118,834.20 = 49,827.12 : x
  2. Step 2: Convert to fraction form
    86,119.44/118,834.20 = 49,827.12/x
  3. Step 3: Cross multiply
    86,119.44x = 118,834.20 × 49,827.12
  4. Step 4: Simplify right side
    86,119.44x = 5,921,165,943.50
  5. Step 5: Solve for x
    x = 5,921,165,943.50/86,119.44
  6. Step 6: Final answer
    x = 68,755.28

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1.5x scale

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.