Home / 86,589.23-119,513.06-50,790.78

Finding the Fourth Proportional to 86,589.23, 119,513.06 and 50,790.78

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Solution

The fourth proportional to 86,589.23, 119,513.06 and 50,790.78 is: 70,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,589.23 : 119,513.06 = 50,790.78 : x
  2. Step 2: Convert to fraction form
    86,589.23/119,513.06 = 50,790.78/x
  3. Step 3: Cross multiply
    86,589.23x = 119,513.06 × 50,790.78
  4. Step 4: Simplify right side
    86,589.23x = 6,070,160,940.02
  5. Step 5: Solve for x
    x = 6,070,160,940.02/86,589.23
  6. Step 6: Final answer
    x = 70,102.96

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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.