Home / 83,682.32-115,497.96-51,865.36

Finding the Fourth Proportional to 83,682.32, 115,497.96 and 51,865.36

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Solution

The fourth proportional to 83,682.32, 115,497.96 and 51,865.36 is: 71,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,682.32 : 115,497.96 = 51,865.36 : x
  2. Step 2: Convert to fraction form
    83,682.32/115,497.96 = 51,865.36/x
  3. Step 3: Cross multiply
    83,682.32x = 115,497.96 × 51,865.36
  4. Step 4: Simplify right side
    83,682.32x = 5,990,343,274.67
  5. Step 5: Solve for x
    x = 5,990,343,274.67/83,682.32
  6. Step 6: Final answer
    x = 71,584.34

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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.