Home / 79,867.08-110,252-51,586.56

Finding the Fourth Proportional to 79,867.08, 110,252 and 51,586.56

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Solution

The fourth proportional to 79,867.08, 110,252 and 51,586.56 is: 71,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,867.08 : 110,252 = 51,586.56 : x
  2. Step 2: Convert to fraction form
    79,867.08/110,252 = 51,586.56/x
  3. Step 3: Cross multiply
    79,867.08x = 110,252 × 51,586.56
  4. Step 4: Simplify right side
    79,867.08x = 5,687,521,413.12
  5. Step 5: Solve for x
    x = 5,687,521,413.12/79,867.08
  6. Step 6: Final answer
    x = 71,212.34

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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.