Home / 100,696.23-138,950.01-58,246.83

Finding the Fourth Proportional to 100,696.23, 138,950.01 and 58,246.83

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Solution

The fourth proportional to 100,696.23, 138,950.01 and 58,246.83 is: 80,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,696.23 : 138,950.01 = 58,246.83 : x
  2. Step 2: Convert to fraction form
    100,696.23/138,950.01 = 58,246.83/x
  3. Step 3: Cross multiply
    100,696.23x = 138,950.01 × 58,246.83
  4. Step 4: Simplify right side
    100,696.23x = 8,093,397,610.97
  5. Step 5: Solve for x
    x = 8,093,397,610.97/100,696.23
  6. Step 6: Final answer
    x = 80,374.39

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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.