Home / 85,900.36-118,542.27-48,175.42

Finding the Fourth Proportional to 85,900.36, 118,542.27 and 48,175.42

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Solution

The fourth proportional to 85,900.36, 118,542.27 and 48,175.42 is: 66,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,900.36 : 118,542.27 = 48,175.42 : x
  2. Step 2: Convert to fraction form
    85,900.36/118,542.27 = 48,175.42/x
  3. Step 3: Cross multiply
    85,900.36x = 118,542.27 × 48,175.42
  4. Step 4: Simplify right side
    85,900.36x = 5,710,823,645.00
  5. Step 5: Solve for x
    x = 5,710,823,645.00/85,900.36
  6. Step 6: Final answer
    x = 66,481.95

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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.