Home / 98,040.34-135,290.73-55,602.82

Finding the Fourth Proportional to 98,040.34, 135,290.73 and 55,602.82

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Solution

The fourth proportional to 98,040.34, 135,290.73 and 55,602.82 is: 76,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,040.34 : 135,290.73 = 55,602.82 : x
  2. Step 2: Convert to fraction form
    98,040.34/135,290.73 = 55,602.82/x
  3. Step 3: Cross multiply
    98,040.34x = 135,290.73 × 55,602.82
  4. Step 4: Simplify right side
    98,040.34x = 7,522,546,107.86
  5. Step 5: Solve for x
    x = 7,522,546,107.86/98,040.34
  6. Step 6: Final answer
    x = 76,729.09

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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.