Home / 117,422.50-162,043.05-67,122.58

Finding the Fourth Proportional to 117,422.50, 162,043.05 and 67,122.58

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Solution

The fourth proportional to 117,422.50, 162,043.05 and 67,122.58 is: 92,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422.50 : 162,043.05 = 67,122.58 : x
  2. Step 2: Convert to fraction form
    117,422.50/162,043.05 = 67,122.58/x
  3. Step 3: Cross multiply
    117,422.50x = 162,043.05 × 67,122.58
  4. Step 4: Simplify right side
    117,422.50x = 10,876,747,587.07
  5. Step 5: Solve for x
    x = 10,876,747,587.07/117,422.50
  6. Step 6: Final answer
    x = 92,629.16

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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.