Home / 82,029.08-122,956.14-34,634.36

Finding the Fourth Proportional to 82,029.08, 122,956.14 and 34,634.36

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Solution

The fourth proportional to 82,029.08, 122,956.14 and 34,634.36 is: 51,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,029.08 : 122,956.14 = 34,634.36 : x
  2. Step 2: Convert to fraction form
    82,029.08/122,956.14 = 34,634.36/x
  3. Step 3: Cross multiply
    82,029.08x = 122,956.14 × 34,634.36
  4. Step 4: Simplify right side
    82,029.08x = 4,258,507,216.97
  5. Step 5: Solve for x
    x = 4,258,507,216.97/82,029.08
  6. Step 6: Final answer
    x = 51,914.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.