Home / 82,920.33-114,446.39-57,755.25

Finding the Fourth Proportional to 82,920.33, 114,446.39 and 57,755.25

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Solution

The fourth proportional to 82,920.33, 114,446.39 and 57,755.25 is: 79,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920.33 : 114,446.39 = 57,755.25 : x
  2. Step 2: Convert to fraction form
    82,920.33/114,446.39 = 57,755.25/x
  3. Step 3: Cross multiply
    82,920.33x = 114,446.39 × 57,755.25
  4. Step 4: Simplify right side
    82,920.33x = 6,609,879,577.27
  5. Step 5: Solve for x
    x = 6,609,879,577.27/82,920.33
  6. Step 6: Final answer
    x = 79,713.62

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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.