Home / 118,972.80-164,190.81-67,993.05

Finding the Fourth Proportional to 118,972.80, 164,190.81 and 67,993.05

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Solution

The fourth proportional to 118,972.80, 164,190.81 and 67,993.05 is: 93,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,972.80 : 164,190.81 = 67,993.05 : x
  2. Step 2: Convert to fraction form
    118,972.80/164,190.81 = 67,993.05/x
  3. Step 3: Cross multiply
    118,972.80x = 164,190.81 × 67,993.05
  4. Step 4: Simplify right side
    118,972.80x = 11,163,833,953.87
  5. Step 5: Solve for x
    x = 11,163,833,953.87/118,972.80
  6. Step 6: Final answer
    x = 93,835.18

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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.