Home / 104,858.22-144,704.57-57,111.42

Finding the Fourth Proportional to 104,858.22, 144,704.57 and 57,111.42

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Solution

The fourth proportional to 104,858.22, 144,704.57 and 57,111.42 is: 78,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,858.22 : 144,704.57 = 57,111.42 : x
  2. Step 2: Convert to fraction form
    104,858.22/144,704.57 = 57,111.42/x
  3. Step 3: Cross multiply
    104,858.22x = 144,704.57 × 57,111.42
  4. Step 4: Simplify right side
    104,858.22x = 8,264,283,187.63
  5. Step 5: Solve for x
    x = 8,264,283,187.63/104,858.22
  6. Step 6: Final answer
    x = 78,813.88

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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.