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Finding the Fourth Proportional to 82,794.31, 124,093.68 and 35,395.54

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Solution

The fourth proportional to 82,794.31, 124,093.68 and 35,395.54 is: 53,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,794.31 : 124,093.68 = 35,395.54 : x
  2. Step 2: Convert to fraction form
    82,794.31/124,093.68 = 35,395.54/x
  3. Step 3: Cross multiply
    82,794.31x = 124,093.68 × 35,395.54
  4. Step 4: Simplify right side
    82,794.31x = 4,392,362,814.19
  5. Step 5: Solve for x
    x = 4,392,362,814.19/82,794.31
  6. Step 6: Final answer
    x = 53,051.51

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1.5x scale

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.