Home / 117,330.12-161,912.52-67,029.12

Finding the Fourth Proportional to 117,330.12, 161,912.52 and 67,029.12

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Solution

The fourth proportional to 117,330.12, 161,912.52 and 67,029.12 is: 92,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,330.12 : 161,912.52 = 67,029.12 : x
  2. Step 2: Convert to fraction form
    117,330.12/161,912.52 = 67,029.12/x
  3. Step 3: Cross multiply
    117,330.12x = 161,912.52 × 67,029.12
  4. Step 4: Simplify right side
    117,330.12x = 10,852,853,732.58
  5. Step 5: Solve for x
    x = 10,852,853,732.58/117,330.12
  6. Step 6: Final answer
    x = 92,498.45

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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.