Home / 86,589.36-119,513.25-50,790.92

Finding the Fourth Proportional to 86,589.36, 119,513.25 and 50,790.92

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Solution

The fourth proportional to 86,589.36, 119,513.25 and 50,790.92 is: 70,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,589.36 : 119,513.25 = 50,790.92 : x
  2. Step 2: Convert to fraction form
    86,589.36/119,513.25 = 50,790.92/x
  3. Step 3: Cross multiply
    86,589.36x = 119,513.25 × 50,790.92
  4. Step 4: Simplify right side
    86,589.36x = 6,070,187,322.12
  5. Step 5: Solve for x
    x = 6,070,187,322.12/86,589.36
  6. Step 6: Final answer
    x = 70,103.15

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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.