Home / 86,738.16-119,797.20-58,394.64

Finding the Fourth Proportional to 86,738.16, 119,797.20 and 58,394.64

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Solution

The fourth proportional to 86,738.16, 119,797.20 and 58,394.64 is: 80,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,738.16 : 119,797.20 = 58,394.64 : x
  2. Step 2: Convert to fraction form
    86,738.16/119,797.20 = 58,394.64/x
  3. Step 3: Cross multiply
    86,738.16x = 119,797.20 × 58,394.64
  4. Step 4: Simplify right side
    86,738.16x = 6,995,514,367.01
  5. Step 5: Solve for x
    x = 6,995,514,367.01/86,738.16
  6. Step 6: Final answer
    x = 80,650.94

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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.