Home / 83,442.26-115,130.49-50,735.68

Finding the Fourth Proportional to 83,442.26, 115,130.49 and 50,735.68

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Solution

The fourth proportional to 83,442.26, 115,130.49 and 50,735.68 is: 70,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,442.26 : 115,130.49 = 50,735.68 : x
  2. Step 2: Convert to fraction form
    83,442.26/115,130.49 = 50,735.68/x
  3. Step 3: Cross multiply
    83,442.26x = 115,130.49 × 50,735.68
  4. Step 4: Simplify right side
    83,442.26x = 5,841,223,698.88
  5. Step 5: Solve for x
    x = 5,841,223,698.88/83,442.26
  6. Step 6: Final answer
    x = 70,003.18

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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.