Home / 85,747.58-118,333.29-48,021.74

Finding the Fourth Proportional to 85,747.58, 118,333.29 and 48,021.74

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Solution

The fourth proportional to 85,747.58, 118,333.29 and 48,021.74 is: 66,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,747.58 : 118,333.29 = 48,021.74 : x
  2. Step 2: Convert to fraction form
    85,747.58/118,333.29 = 48,021.74/x
  3. Step 3: Cross multiply
    85,747.58x = 118,333.29 × 48,021.74
  4. Step 4: Simplify right side
    85,747.58x = 5,682,570,485.72
  5. Step 5: Solve for x
    x = 5,682,570,485.72/85,747.58
  6. Step 6: Final answer
    x = 66,270.91

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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.