Home / 89,975.70-124,190.52-51,739.43

Finding the Fourth Proportional to 89,975.70, 124,190.52 and 51,739.43

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Solution

The fourth proportional to 89,975.70, 124,190.52 and 51,739.43 is: 71,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,975.70 : 124,190.52 = 51,739.43 : x
  2. Step 2: Convert to fraction form
    89,975.70/124,190.52 = 51,739.43/x
  3. Step 3: Cross multiply
    89,975.70x = 124,190.52 × 51,739.43
  4. Step 4: Simplify right side
    89,975.70x = 6,425,546,095.25
  5. Step 5: Solve for x
    x = 6,425,546,095.25/89,975.70
  6. Step 6: Final answer
    x = 71,414.24

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1.5x scale

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.