Home / 100,161.47-150,138.37-62,635.42

Finding the Fourth Proportional to 100,161.47, 150,138.37 and 62,635.42

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Solution

The fourth proportional to 100,161.47, 150,138.37 and 62,635.42 is: 93,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,161.47 : 150,138.37 = 62,635.42 : x
  2. Step 2: Convert to fraction form
    100,161.47/150,138.37 = 62,635.42/x
  3. Step 3: Cross multiply
    100,161.47x = 150,138.37 × 62,635.42
  4. Step 4: Simplify right side
    100,161.47x = 9,403,979,863.07
  5. Step 5: Solve for x
    x = 9,403,979,863.07/100,161.47
  6. Step 6: Final answer
    x = 93,888.20

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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.