Home / 118,908.68-164,087.74-67,911.41

Finding the Fourth Proportional to 118,908.68, 164,087.74 and 67,911.41

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Solution

The fourth proportional to 118,908.68, 164,087.74 and 67,911.41 is: 93,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,908.68 : 164,087.74 = 67,911.41 : x
  2. Step 2: Convert to fraction form
    118,908.68/164,087.74 = 67,911.41/x
  3. Step 3: Cross multiply
    118,908.68x = 164,087.74 × 67,911.41
  4. Step 4: Simplify right side
    118,908.68x = 11,143,430,282.22
  5. Step 5: Solve for x
    x = 11,143,430,282.22/118,908.68
  6. Step 6: Final answer
    x = 93,714.19

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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.