Home / 89,991.36-124,203.30-52,287.48

Finding the Fourth Proportional to 89,991.36, 124,203.30 and 52,287.48

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Solution

The fourth proportional to 89,991.36, 124,203.30 and 52,287.48 is: 72,165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,991.36 : 124,203.30 = 52,287.48 : x
  2. Step 2: Convert to fraction form
    89,991.36/124,203.30 = 52,287.48/x
  3. Step 3: Cross multiply
    89,991.36x = 124,203.30 × 52,287.48
  4. Step 4: Simplify right side
    89,991.36x = 6,494,277,564.68
  5. Step 5: Solve for x
    x = 6,494,277,564.68/89,991.36
  6. Step 6: Final answer
    x = 72,165.57

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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.