Home / 72,853.56-100,539-41,022.36

Finding the Fourth Proportional to 72,853.56, 100,539 and 41,022.36

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Solution

The fourth proportional to 72,853.56, 100,539 and 41,022.36 is: 56,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,853.56 : 100,539 = 41,022.36 : x
  2. Step 2: Convert to fraction form
    72,853.56/100,539 = 41,022.36/x
  3. Step 3: Cross multiply
    72,853.56x = 100,539 × 41,022.36
  4. Step 4: Simplify right side
    72,853.56x = 4,124,347,052.04
  5. Step 5: Solve for x
    x = 4,124,347,052.04/72,853.56
  6. Step 6: Final answer
    x = 56,611.47

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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.