Home / 85,860.45-118,494.53-47,632.34

Finding the Fourth Proportional to 85,860.45, 118,494.53 and 47,632.34

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Solution

The fourth proportional to 85,860.45, 118,494.53 and 47,632.34 is: 65,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,860.45 : 118,494.53 = 47,632.34 : x
  2. Step 2: Convert to fraction form
    85,860.45/118,494.53 = 47,632.34/x
  3. Step 3: Cross multiply
    85,860.45x = 118,494.53 × 47,632.34
  4. Step 4: Simplify right side
    85,860.45x = 5,644,170,910.47
  5. Step 5: Solve for x
    x = 5,644,170,910.47/85,860.45
  6. Step 6: Final answer
    x = 65,736.56

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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.