Home / 86,664.24-119,561-58,379.04

Finding the Fourth Proportional to 86,664.24, 119,561 and 58,379.04

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Solution

The fourth proportional to 86,664.24, 119,561 and 58,379.04 is: 80,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,664.24 : 119,561 = 58,379.04 : x
  2. Step 2: Convert to fraction form
    86,664.24/119,561 = 58,379.04/x
  3. Step 3: Cross multiply
    86,664.24x = 119,561 × 58,379.04
  4. Step 4: Simplify right side
    86,664.24x = 6,979,856,401.44
  5. Step 5: Solve for x
    x = 6,979,856,401.44/86,664.24
  6. Step 6: Final answer
    x = 80,539.06

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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.