Home / 75,285.26-103,889.61-43,452.26

Finding the Fourth Proportional to 75,285.26, 103,889.61 and 43,452.26

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Solution

The fourth proportional to 75,285.26, 103,889.61 and 43,452.26 is: 59,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,285.26 : 103,889.61 = 43,452.26 : x
  2. Step 2: Convert to fraction form
    75,285.26/103,889.61 = 43,452.26/x
  3. Step 3: Cross multiply
    75,285.26x = 103,889.61 × 43,452.26
  4. Step 4: Simplify right side
    75,285.26x = 4,514,237,825.57
  5. Step 5: Solve for x
    x = 4,514,237,825.57/75,285.26
  6. Step 6: Final answer
    x = 59,961.78

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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.