Home / 86,800.36-130,210.14-27,615.28

Finding the Fourth Proportional to 86,800.36, 130,210.14 and 27,615.28

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Solution

The fourth proportional to 86,800.36, 130,210.14 and 27,615.28 is: 41,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.36 : 130,210.14 = 27,615.28 : x
  2. Step 2: Convert to fraction form
    86,800.36/130,210.14 = 27,615.28/x
  3. Step 3: Cross multiply
    86,800.36x = 130,210.14 × 27,615.28
  4. Step 4: Simplify right side
    86,800.36x = 3,595,789,474.94
  5. Step 5: Solve for x
    x = 3,595,789,474.94/86,800.36
  6. Step 6: Final answer
    x = 41,425.97

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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.