Home / 98,238.02-135,571.72-55,224.98

Finding the Fourth Proportional to 98,238.02, 135,571.72 and 55,224.98

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Solution

The fourth proportional to 98,238.02, 135,571.72 and 55,224.98 is: 76,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,238.02 : 135,571.72 = 55,224.98 : x
  2. Step 2: Convert to fraction form
    98,238.02/135,571.72 = 55,224.98/x
  3. Step 3: Cross multiply
    98,238.02x = 135,571.72 × 55,224.98
  4. Step 4: Simplify right side
    98,238.02x = 7,486,945,525.57
  5. Step 5: Solve for x
    x = 7,486,945,525.57/98,238.02
  6. Step 6: Final answer
    x = 76,212.30

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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.