Home / 100,481.12-150,490.62-56,009.39

Finding the Fourth Proportional to 100,481.12, 150,490.62 and 56,009.39

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Solution

The fourth proportional to 100,481.12, 150,490.62 and 56,009.39 is: 83,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,481.12 : 150,490.62 = 56,009.39 : x
  2. Step 2: Convert to fraction form
    100,481.12/150,490.62 = 56,009.39/x
  3. Step 3: Cross multiply
    100,481.12x = 150,490.62 × 56,009.39
  4. Step 4: Simplify right side
    100,481.12x = 8,428,887,074.47
  5. Step 5: Solve for x
    x = 8,428,887,074.47/100,481.12
  6. Step 6: Final answer
    x = 83,885.29

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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.