Home / 50,712.24-76,072.74-13,272.16

Finding the Fourth Proportional to 50,712.24, 76,072.74 and 13,272.16

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Solution

The fourth proportional to 50,712.24, 76,072.74 and 13,272.16 is: 19,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.24 : 76,072.74 = 13,272.16 : x
  2. Step 2: Convert to fraction form
    50,712.24/76,072.74 = 13,272.16/x
  3. Step 3: Cross multiply
    50,712.24x = 76,072.74 × 13,272.16
  4. Step 4: Simplify right side
    50,712.24x = 1,009,649,576.92
  5. Step 5: Solve for x
    x = 1,009,649,576.92/50,712.24
  6. Step 6: Final answer
    x = 19,909.39

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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.