Home / 85,586.94-118,110.87-47,863.26

Finding the Fourth Proportional to 85,586.94, 118,110.87 and 47,863.26

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Solution

The fourth proportional to 85,586.94, 118,110.87 and 47,863.26 is: 66,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,586.94 : 118,110.87 = 47,863.26 : x
  2. Step 2: Convert to fraction form
    85,586.94/118,110.87 = 47,863.26/x
  3. Step 3: Cross multiply
    85,586.94x = 118,110.87 × 47,863.26
  4. Step 4: Simplify right side
    85,586.94x = 5,653,171,279.64
  5. Step 5: Solve for x
    x = 5,653,171,279.64/85,586.94
  6. Step 6: Final answer
    x = 66,051.80

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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.