Home / 86,682.20-130,012.14-27,518.54

Finding the Fourth Proportional to 86,682.20, 130,012.14 and 27,518.54

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Solution

The fourth proportional to 86,682.20, 130,012.14 and 27,518.54 is: 41,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,682.20 : 130,012.14 = 27,518.54 : x
  2. Step 2: Convert to fraction form
    86,682.20/130,012.14 = 27,518.54/x
  3. Step 3: Cross multiply
    86,682.20x = 130,012.14 × 27,518.54
  4. Step 4: Simplify right side
    86,682.20x = 3,577,744,275.08
  5. Step 5: Solve for x
    x = 3,577,744,275.08/86,682.20
  6. Step 6: Final answer
    x = 41,274.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.