Home / 104,971.83-144,863.01-57,227.19

Finding the Fourth Proportional to 104,971.83, 144,863.01 and 57,227.19

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Solution

The fourth proportional to 104,971.83, 144,863.01 and 57,227.19 is: 78,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,971.83 : 144,863.01 = 57,227.19 : x
  2. Step 2: Convert to fraction form
    104,971.83/144,863.01 = 57,227.19/x
  3. Step 3: Cross multiply
    104,971.83x = 144,863.01 × 57,227.19
  4. Step 4: Simplify right side
    104,971.83x = 8,290,102,997.24
  5. Step 5: Solve for x
    x = 8,290,102,997.24/104,971.83
  6. Step 6: Final answer
    x = 78,974.55

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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.