Home / 53,467.21-80,304.61-39,371.56

Finding the Fourth Proportional to 53,467.21, 80,304.61 and 39,371.56

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Solution

The fourth proportional to 53,467.21, 80,304.61 and 39,371.56 is: 59,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,467.21 : 80,304.61 = 39,371.56 : x
  2. Step 2: Convert to fraction form
    53,467.21/80,304.61 = 39,371.56/x
  3. Step 3: Cross multiply
    53,467.21x = 80,304.61 × 39,371.56
  4. Step 4: Simplify right side
    53,467.21x = 3,161,717,770.89
  5. Step 5: Solve for x
    x = 3,161,717,770.89/53,467.21
  6. Step 6: Final answer
    x = 59,133.77

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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.