Home / 90,202.68-124,477.83-49,914.02

Finding the Fourth Proportional to 90,202.68, 124,477.83 and 49,914.02

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Solution

The fourth proportional to 90,202.68, 124,477.83 and 49,914.02 is: 68,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.68 : 124,477.83 = 49,914.02 : x
  2. Step 2: Convert to fraction form
    90,202.68/124,477.83 = 49,914.02/x
  3. Step 3: Cross multiply
    90,202.68x = 124,477.83 × 49,914.02
  4. Step 4: Simplify right side
    90,202.68x = 6,213,189,207.37
  5. Step 5: Solve for x
    x = 6,213,189,207.37/90,202.68
  6. Step 6: Final answer
    x = 68,880.32

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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.