Home / 88,621.32-122,322.72-50,401.48

Finding the Fourth Proportional to 88,621.32, 122,322.72 and 50,401.48

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Solution

The fourth proportional to 88,621.32, 122,322.72 and 50,401.48 is: 69,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,621.32 : 122,322.72 = 50,401.48 : x
  2. Step 2: Convert to fraction form
    88,621.32/122,322.72 = 50,401.48/x
  3. Step 3: Cross multiply
    88,621.32x = 122,322.72 × 50,401.48
  4. Step 4: Simplify right side
    88,621.32x = 6,165,246,125.63
  5. Step 5: Solve for x
    x = 6,165,246,125.63/88,621.32
  6. Step 6: Final answer
    x = 69,568.43

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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.