Home / 85,827.88-118,447.34-48,104.56

Finding the Fourth Proportional to 85,827.88, 118,447.34 and 48,104.56

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Solution

The fourth proportional to 85,827.88, 118,447.34 and 48,104.56 is: 66,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,827.88 : 118,447.34 = 48,104.56 : x
  2. Step 2: Convert to fraction form
    85,827.88/118,447.34 = 48,104.56/x
  3. Step 3: Cross multiply
    85,827.88x = 118,447.34 × 48,104.56
  4. Step 4: Simplify right side
    85,827.88x = 5,697,857,173.87
  5. Step 5: Solve for x
    x = 5,697,857,173.87/85,827.88
  6. Step 6: Final answer
    x = 66,387.02

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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.