Home / 50,725.20-76,104.03-21,146.16

Finding the Fourth Proportional to 50,725.20, 76,104.03 and 21,146.16

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Solution

The fourth proportional to 50,725.20, 76,104.03 and 21,146.16 is: 31,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,725.20 : 76,104.03 = 21,146.16 : x
  2. Step 2: Convert to fraction form
    50,725.20/76,104.03 = 21,146.16/x
  3. Step 3: Cross multiply
    50,725.20x = 76,104.03 × 21,146.16
  4. Step 4: Simplify right side
    50,725.20x = 1,609,307,995.02
  5. Step 5: Solve for x
    x = 1,609,307,995.02/50,725.20
  6. Step 6: Final answer
    x = 31,726.01

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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.