Home / 104,767.38-144,578.99-57,021.07

Finding the Fourth Proportional to 104,767.38, 144,578.99 and 57,021.07

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Solution

The fourth proportional to 104,767.38, 144,578.99 and 57,021.07 is: 78,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,767.38 : 144,578.99 = 57,021.07 : x
  2. Step 2: Convert to fraction form
    104,767.38/144,578.99 = 57,021.07/x
  3. Step 3: Cross multiply
    104,767.38x = 144,578.99 × 57,021.07
  4. Step 4: Simplify right side
    104,767.38x = 8,244,049,168.14
  5. Step 5: Solve for x
    x = 8,244,049,168.14/104,767.38
  6. Step 6: Final answer
    x = 78,689.08

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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.