Home / 117,761.49-162,534.20-66,775.23

Finding the Fourth Proportional to 117,761.49, 162,534.20 and 66,775.23

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Solution

The fourth proportional to 117,761.49, 162,534.20 and 66,775.23 is: 92,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,761.49 : 162,534.20 = 66,775.23 : x
  2. Step 2: Convert to fraction form
    117,761.49/162,534.20 = 66,775.23/x
  3. Step 3: Cross multiply
    117,761.49x = 162,534.20 × 66,775.23
  4. Step 4: Simplify right side
    117,761.49x = 10,853,258,253.99
  5. Step 5: Solve for x
    x = 10,853,258,253.99/117,761.49
  6. Step 6: Final answer
    x = 92,163.05

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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.