Home / 102,781.44-153,953.60-49,395.02

Finding the Fourth Proportional to 102,781.44, 153,953.60 and 49,395.02

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Solution

The fourth proportional to 102,781.44, 153,953.60 and 49,395.02 is: 73,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,781.44 : 153,953.60 = 49,395.02 : x
  2. Step 2: Convert to fraction form
    102,781.44/153,953.60 = 49,395.02/x
  3. Step 3: Cross multiply
    102,781.44x = 153,953.60 × 49,395.02
  4. Step 4: Simplify right side
    102,781.44x = 7,604,540,134.33
  5. Step 5: Solve for x
    x = 7,604,540,134.33/102,781.44
  6. Step 6: Final answer
    x = 73,987.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.