Home / 90,366.23-124,722.99-52,150.64

Finding the Fourth Proportional to 90,366.23, 124,722.99 and 52,150.64

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Solution

The fourth proportional to 90,366.23, 124,722.99 and 52,150.64 is: 71,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,366.23 : 124,722.99 = 52,150.64 : x
  2. Step 2: Convert to fraction form
    90,366.23/124,722.99 = 52,150.64/x
  3. Step 3: Cross multiply
    90,366.23x = 124,722.99 × 52,150.64
  4. Step 4: Simplify right side
    90,366.23x = 6,504,383,127.60
  5. Step 5: Solve for x
    x = 6,504,383,127.60/90,366.23
  6. Step 6: Final answer
    x = 71,978.03

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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.