Home / 88,712.88-122,452.20-51,012.24

Finding the Fourth Proportional to 88,712.88, 122,452.20 and 51,012.24

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Solution

The fourth proportional to 88,712.88, 122,452.20 and 51,012.24 is: 70,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.88 : 122,452.20 = 51,012.24 : x
  2. Step 2: Convert to fraction form
    88,712.88/122,452.20 = 51,012.24/x
  3. Step 3: Cross multiply
    88,712.88x = 122,452.20 × 51,012.24
  4. Step 4: Simplify right side
    88,712.88x = 6,246,561,014.93
  5. Step 5: Solve for x
    x = 6,246,561,014.93/88,712.88
  6. Step 6: Final answer
    x = 70,413.24

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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.