Home / 104,775.18-144,590.36-57,028.43

Finding the Fourth Proportional to 104,775.18, 144,590.36 and 57,028.43

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Solution

The fourth proportional to 104,775.18, 144,590.36 and 57,028.43 is: 78,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,775.18 : 144,590.36 = 57,028.43 : x
  2. Step 2: Convert to fraction form
    104,775.18/144,590.36 = 57,028.43/x
  3. Step 3: Cross multiply
    104,775.18x = 144,590.36 × 57,028.43
  4. Step 4: Simplify right side
    104,775.18x = 8,245,760,215.84
  5. Step 5: Solve for x
    x = 8,245,760,215.84/104,775.18
  6. Step 6: Final answer
    x = 78,699.56

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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.