Home / 85,641.03-118,198.62-58,761.36

Finding the Fourth Proportional to 85,641.03, 118,198.62 and 58,761.36

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Solution

The fourth proportional to 85,641.03, 118,198.62 and 58,761.36 is: 81,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,641.03 : 118,198.62 = 58,761.36 : x
  2. Step 2: Convert to fraction form
    85,641.03/118,198.62 = 58,761.36/x
  3. Step 3: Cross multiply
    85,641.03x = 118,198.62 × 58,761.36
  4. Step 4: Simplify right side
    85,641.03x = 6,945,511,661.32
  5. Step 5: Solve for x
    x = 6,945,511,661.32/85,641.03
  6. Step 6: Final answer
    x = 81,100.28

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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.