Home / 85,910.36-118,556.04-48,185.42

Finding the Fourth Proportional to 85,910.36, 118,556.04 and 48,185.42

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Solution

The fourth proportional to 85,910.36, 118,556.04 and 48,185.42 is: 66,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,910.36 : 118,556.04 = 48,185.42 : x
  2. Step 2: Convert to fraction form
    85,910.36/118,556.04 = 48,185.42/x
  3. Step 3: Cross multiply
    85,910.36x = 118,556.04 × 48,185.42
  4. Step 4: Simplify right side
    85,910.36x = 5,712,672,580.94
  5. Step 5: Solve for x
    x = 5,712,672,580.94/85,910.36
  6. Step 6: Final answer
    x = 66,495.74

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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.