Home / 86,022.25-129,033.37-50,537.77

Finding the Fourth Proportional to 86,022.25, 129,033.37 and 50,537.77

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Solution

The fourth proportional to 86,022.25, 129,033.37 and 50,537.77 is: 75,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022.25 : 129,033.37 = 50,537.77 : x
  2. Step 2: Convert to fraction form
    86,022.25/129,033.37 = 50,537.77/x
  3. Step 3: Cross multiply
    86,022.25x = 129,033.37 × 50,537.77
  4. Step 4: Simplify right side
    86,022.25x = 6,521,058,515.97
  5. Step 5: Solve for x
    x = 6,521,058,515.97/86,022.25
  6. Step 6: Final answer
    x = 75,806.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.