Home / 90,297.09-124,611.06-50,011.65

Finding the Fourth Proportional to 90,297.09, 124,611.06 and 50,011.65

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Solution

The fourth proportional to 90,297.09, 124,611.06 and 50,011.65 is: 69,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297.09 : 124,611.06 = 50,011.65 : x
  2. Step 2: Convert to fraction form
    90,297.09/124,611.06 = 50,011.65/x
  3. Step 3: Cross multiply
    90,297.09x = 124,611.06 × 50,011.65
  4. Step 4: Simplify right side
    90,297.09x = 6,232,004,718.85
  5. Step 5: Solve for x
    x = 6,232,004,718.85/90,297.09
  6. Step 6: Final answer
    x = 69,016.67

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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.