Home / 102,850.22-141,932.66-57,528.02

Finding the Fourth Proportional to 102,850.22, 141,932.66 and 57,528.02

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Solution

The fourth proportional to 102,850.22, 141,932.66 and 57,528.02 is: 79,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,850.22 : 141,932.66 = 57,528.02 : x
  2. Step 2: Convert to fraction form
    102,850.22/141,932.66 = 57,528.02/x
  3. Step 3: Cross multiply
    102,850.22x = 141,932.66 × 57,528.02
  4. Step 4: Simplify right side
    102,850.22x = 8,165,104,903.13
  5. Step 5: Solve for x
    x = 8,165,104,903.13/102,850.22
  6. Step 6: Final answer
    x = 79,388.31

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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.