Home / 98,040.56-135,265.13-55,013.73

Finding the Fourth Proportional to 98,040.56, 135,265.13 and 55,013.73

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Solution

The fourth proportional to 98,040.56, 135,265.13 and 55,013.73 is: 75,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,040.56 : 135,265.13 = 55,013.73 : x
  2. Step 2: Convert to fraction form
    98,040.56/135,265.13 = 55,013.73/x
  3. Step 3: Cross multiply
    98,040.56x = 135,265.13 × 55,013.73
  4. Step 4: Simplify right side
    98,040.56x = 7,441,439,447.73
  5. Step 5: Solve for x
    x = 7,441,439,447.73/98,040.56
  6. Step 6: Final answer
    x = 75,901.64

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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.