Home / 88,678.37-122,378.75-48,394.73

Finding the Fourth Proportional to 88,678.37, 122,378.75 and 48,394.73

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Solution

The fourth proportional to 88,678.37, 122,378.75 and 48,394.73 is: 66,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.37 : 122,378.75 = 48,394.73 : x
  2. Step 2: Convert to fraction form
    88,678.37/122,378.75 = 48,394.73/x
  3. Step 3: Cross multiply
    88,678.37x = 122,378.75 × 48,394.73
  4. Step 4: Simplify right side
    88,678.37x = 5,922,486,563.99
  5. Step 5: Solve for x
    x = 5,922,486,563.99/88,678.37
  6. Step 6: Final answer
    x = 66,786.15

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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.