Home / 118,012.75-162,853.84-67,021.53

Finding the Fourth Proportional to 118,012.75, 162,853.84 and 67,021.53

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Solution

The fourth proportional to 118,012.75, 162,853.84 and 67,021.53 is: 92,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,012.75 : 162,853.84 = 67,021.53 : x
  2. Step 2: Convert to fraction form
    118,012.75/162,853.84 = 67,021.53/x
  3. Step 3: Cross multiply
    118,012.75x = 162,853.84 × 67,021.53
  4. Step 4: Simplify right side
    118,012.75x = 10,914,712,996.25
  5. Step 5: Solve for x
    x = 10,914,712,996.25/118,012.75
  6. Step 6: Final answer
    x = 92,487.58

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1.5x scale

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.