Home / 86,680.20-130,009.14-27,516.54

Finding the Fourth Proportional to 86,680.20, 130,009.14 and 27,516.54

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Solution

The fourth proportional to 86,680.20, 130,009.14 and 27,516.54 is: 41,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,680.20 : 130,009.14 = 27,516.54 : x
  2. Step 2: Convert to fraction form
    86,680.20/130,009.14 = 27,516.54/x
  3. Step 3: Cross multiply
    86,680.20x = 130,009.14 × 27,516.54
  4. Step 4: Simplify right side
    86,680.20x = 3,577,401,701.18
  5. Step 5: Solve for x
    x = 3,577,401,701.18/86,680.20
  6. Step 6: Final answer
    x = 41,271.27

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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.