Home / 106,940.06-147,610.14-61,648.32

Finding the Fourth Proportional to 106,940.06, 147,610.14 and 61,648.32

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Solution

The fourth proportional to 106,940.06, 147,610.14 and 61,648.32 is: 85,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,940.06 : 147,610.14 = 61,648.32 : x
  2. Step 2: Convert to fraction form
    106,940.06/147,610.14 = 61,648.32/x
  3. Step 3: Cross multiply
    106,940.06x = 147,610.14 × 61,648.32
  4. Step 4: Simplify right side
    106,940.06x = 9,099,917,145.96
  5. Step 5: Solve for x
    x = 9,099,917,145.96/106,940.06
  6. Step 6: Final answer
    x = 85,093.62

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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.