Home / 98,453.14-147,679.71-54,360.25

Finding the Fourth Proportional to 98,453.14, 147,679.71 and 54,360.25

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Solution

The fourth proportional to 98,453.14, 147,679.71 and 54,360.25 is: 81,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,453.14 : 147,679.71 = 54,360.25 : x
  2. Step 2: Convert to fraction form
    98,453.14/147,679.71 = 54,360.25/x
  3. Step 3: Cross multiply
    98,453.14x = 147,679.71 × 54,360.25
  4. Step 4: Simplify right side
    98,453.14x = 8,027,905,955.53
  5. Step 5: Solve for x
    x = 8,027,905,955.53/98,453.14
  6. Step 6: Final answer
    x = 81,540.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.