Home / 90,448.36-135,679.02-23,887.82

Finding the Fourth Proportional to 90,448.36, 135,679.02 and 23,887.82

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Solution

The fourth proportional to 90,448.36, 135,679.02 and 23,887.82 is: 35,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,448.36 : 135,679.02 = 23,887.82 : x
  2. Step 2: Convert to fraction form
    90,448.36/135,679.02 = 23,887.82/x
  3. Step 3: Cross multiply
    90,448.36x = 135,679.02 × 23,887.82
  4. Step 4: Simplify right side
    90,448.36x = 3,241,076,007.54
  5. Step 5: Solve for x
    x = 3,241,076,007.54/90,448.36
  6. Step 6: Final answer
    x = 35,833.44

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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.