Home / 118,049.22-162,889.29-66,356.12

Finding the Fourth Proportional to 118,049.22, 162,889.29 and 66,356.12

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Solution

The fourth proportional to 118,049.22, 162,889.29 and 66,356.12 is: 91,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,049.22 : 162,889.29 = 66,356.12 : x
  2. Step 2: Convert to fraction form
    118,049.22/162,889.29 = 66,356.12/x
  3. Step 3: Cross multiply
    118,049.22x = 162,889.29 × 66,356.12
  4. Step 4: Simplify right side
    118,049.22x = 10,808,701,273.95
  5. Step 5: Solve for x
    x = 10,808,701,273.95/118,049.22
  6. Step 6: Final answer
    x = 91,560.97

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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.