Home / 101,512.44-140,085.14-56,190.41

Finding the Fourth Proportional to 101,512.44, 140,085.14 and 56,190.41

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Solution

The fourth proportional to 101,512.44, 140,085.14 and 56,190.41 is: 77,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,512.44 : 140,085.14 = 56,190.41 : x
  2. Step 2: Convert to fraction form
    101,512.44/140,085.14 = 56,190.41/x
  3. Step 3: Cross multiply
    101,512.44x = 140,085.14 × 56,190.41
  4. Step 4: Simplify right side
    101,512.44x = 7,871,441,170.56
  5. Step 5: Solve for x
    x = 7,871,441,170.56/101,512.44
  6. Step 6: Final answer
    x = 77,541.64

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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.