Home / 100,001.36-137,996.22-54,670.92

Finding the Fourth Proportional to 100,001.36, 137,996.22 and 54,670.92

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Solution

The fourth proportional to 100,001.36, 137,996.22 and 54,670.92 is: 75,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,001.36 : 137,996.22 = 54,670.92 : x
  2. Step 2: Convert to fraction form
    100,001.36/137,996.22 = 54,670.92/x
  3. Step 3: Cross multiply
    100,001.36x = 137,996.22 × 54,670.92
  4. Step 4: Simplify right side
    100,001.36x = 7,544,380,303.92
  5. Step 5: Solve for x
    x = 7,544,380,303.92/100,001.36
  6. Step 6: Final answer
    x = 75,442.78

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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.