Home / 86,258.60-129,386.73-22,216.38

Finding the Fourth Proportional to 86,258.60, 129,386.73 and 22,216.38

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Solution

The fourth proportional to 86,258.60, 129,386.73 and 22,216.38 is: 33,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,258.60 : 129,386.73 = 22,216.38 : x
  2. Step 2: Convert to fraction form
    86,258.60/129,386.73 = 22,216.38/x
  3. Step 3: Cross multiply
    86,258.60x = 129,386.73 × 22,216.38
  4. Step 4: Simplify right side
    86,258.60x = 2,874,504,760.64
  5. Step 5: Solve for x
    x = 2,874,504,760.64/86,258.60
  6. Step 6: Final answer
    x = 33,324.27

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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.