Home / 90,133.46-124,388.06-49,847.23

Finding the Fourth Proportional to 90,133.46, 124,388.06 and 49,847.23

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Solution

The fourth proportional to 90,133.46, 124,388.06 and 49,847.23 is: 68,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,133.46 : 124,388.06 = 49,847.23 : x
  2. Step 2: Convert to fraction form
    90,133.46/124,388.06 = 49,847.23/x
  3. Step 3: Cross multiply
    90,133.46x = 124,388.06 × 49,847.23
  4. Step 4: Simplify right side
    90,133.46x = 6,200,399,675.87
  5. Step 5: Solve for x
    x = 6,200,399,675.87/90,133.46
  6. Step 6: Final answer
    x = 68,791.32

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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.