Home / 98,385.41-135,771.23-55,943.94

Finding the Fourth Proportional to 98,385.41, 135,771.23 and 55,943.94

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Solution

The fourth proportional to 98,385.41, 135,771.23 and 55,943.94 is: 77,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,385.41 : 135,771.23 = 55,943.94 : x
  2. Step 2: Convert to fraction form
    98,385.41/135,771.23 = 55,943.94/x
  3. Step 3: Cross multiply
    98,385.41x = 135,771.23 × 55,943.94
  4. Step 4: Simplify right side
    98,385.41x = 7,595,577,544.85
  5. Step 5: Solve for x
    x = 7,595,577,544.85/98,385.41
  6. Step 6: Final answer
    x = 77,202.28

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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.