Home / 50,004.25-75,000.61-12,561.48

Finding the Fourth Proportional to 50,004.25, 75,000.61 and 12,561.48

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Solution

The fourth proportional to 50,004.25, 75,000.61 and 12,561.48 is: 18,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,004.25 : 75,000.61 = 12,561.48 : x
  2. Step 2: Convert to fraction form
    50,004.25/75,000.61 = 12,561.48/x
  3. Step 3: Cross multiply
    50,004.25x = 75,000.61 × 12,561.48
  4. Step 4: Simplify right side
    50,004.25x = 942,118,521.65
  5. Step 5: Solve for x
    x = 942,118,521.65/50,004.25
  6. Step 6: Final answer
    x = 18,840.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.