Home / 98,311.66-135,681.24-54,708.55

Finding the Fourth Proportional to 98,311.66, 135,681.24 and 54,708.55

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Solution

The fourth proportional to 98,311.66, 135,681.24 and 54,708.55 is: 75,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,311.66 : 135,681.24 = 54,708.55 : x
  2. Step 2: Convert to fraction form
    98,311.66/135,681.24 = 54,708.55/x
  3. Step 3: Cross multiply
    98,311.66x = 135,681.24 × 54,708.55
  4. Step 4: Simplify right side
    98,311.66x = 7,422,923,768.56
  5. Step 5: Solve for x
    x = 7,422,923,768.56/98,311.66
  6. Step 6: Final answer
    x = 75,504.00

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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.