Home / 100,639.22-150,900.52-41,407.98

Finding the Fourth Proportional to 100,639.22, 150,900.52 and 41,407.98

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Solution

The fourth proportional to 100,639.22, 150,900.52 and 41,407.98 is: 62,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,639.22 : 150,900.52 = 41,407.98 : x
  2. Step 2: Convert to fraction form
    100,639.22/150,900.52 = 41,407.98/x
  3. Step 3: Cross multiply
    100,639.22x = 150,900.52 × 41,407.98
  4. Step 4: Simplify right side
    100,639.22x = 6,248,485,714.15
  5. Step 5: Solve for x
    x = 6,248,485,714.15/100,639.22
  6. Step 6: Final answer
    x = 62,087.98

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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.