Home / 104,906.79-144,767.30-57,160.49

Finding the Fourth Proportional to 104,906.79, 144,767.30 and 57,160.49

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Solution

The fourth proportional to 104,906.79, 144,767.30 and 57,160.49 is: 78,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.79 : 144,767.30 = 57,160.49 : x
  2. Step 2: Convert to fraction form
    104,906.79/144,767.30 = 57,160.49/x
  3. Step 3: Cross multiply
    104,906.79x = 144,767.30 × 57,160.49
  4. Step 4: Simplify right side
    104,906.79x = 8,274,969,803.98
  5. Step 5: Solve for x
    x = 8,274,969,803.98/104,906.79
  6. Step 6: Final answer
    x = 78,879.26

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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.