Home / 49,840.18-68,781.09-29,700.34

Finding the Fourth Proportional to 49,840.18, 68,781.09 and 29,700.34

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Solution

The fourth proportional to 49,840.18, 68,781.09 and 29,700.34 is: 40,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.18 : 68,781.09 = 29,700.34 : x
  2. Step 2: Convert to fraction form
    49,840.18/68,781.09 = 29,700.34/x
  3. Step 3: Cross multiply
    49,840.18x = 68,781.09 × 29,700.34
  4. Step 4: Simplify right side
    49,840.18x = 2,042,821,758.57
  5. Step 5: Solve for x
    x = 2,042,821,758.57/49,840.18
  6. Step 6: Final answer
    x = 40,987.45

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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.