Home / 85,837.37-118,455.82-47,599.61

Finding the Fourth Proportional to 85,837.37, 118,455.82 and 47,599.61

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Solution

The fourth proportional to 85,837.37, 118,455.82 and 47,599.61 is: 65,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,837.37 : 118,455.82 = 47,599.61 : x
  2. Step 2: Convert to fraction form
    85,837.37/118,455.82 = 47,599.61/x
  3. Step 3: Cross multiply
    85,837.37x = 118,455.82 × 47,599.61
  4. Step 4: Simplify right side
    85,837.37x = 5,638,450,241.95
  5. Step 5: Solve for x
    x = 5,638,450,241.95/85,837.37
  6. Step 6: Final answer
    x = 65,687.60

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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.