Home / 88,620.32-122,321.34-50,400.48

Finding the Fourth Proportional to 88,620.32, 122,321.34 and 50,400.48

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Solution

The fourth proportional to 88,620.32, 122,321.34 and 50,400.48 is: 69,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,620.32 : 122,321.34 = 50,400.48 : x
  2. Step 2: Convert to fraction form
    88,620.32/122,321.34 = 50,400.48/x
  3. Step 3: Cross multiply
    88,620.32x = 122,321.34 × 50,400.48
  4. Step 4: Simplify right side
    88,620.32x = 6,165,054,250.24
  5. Step 5: Solve for x
    x = 6,165,054,250.24/88,620.32
  6. Step 6: Final answer
    x = 69,567.05

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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.