Home / 90,584.70-125,004.48-50,297.28

Finding the Fourth Proportional to 90,584.70, 125,004.48 and 50,297.28

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Solution

The fourth proportional to 90,584.70, 125,004.48 and 50,297.28 is: 69,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,584.70 : 125,004.48 = 50,297.28 : x
  2. Step 2: Convert to fraction form
    90,584.70/125,004.48 = 50,297.28/x
  3. Step 3: Cross multiply
    90,584.70x = 125,004.48 × 50,297.28
  4. Step 4: Simplify right side
    90,584.70x = 6,287,385,331.81
  5. Step 5: Solve for x
    x = 6,287,385,331.81/90,584.70
  6. Step 6: Final answer
    x = 69,408.91

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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.