Home / 86,184.50-129,284.31-23,855.54

Finding the Fourth Proportional to 86,184.50, 129,284.31 and 23,855.54

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Solution

The fourth proportional to 86,184.50, 129,284.31 and 23,855.54 is: 35,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,184.50 : 129,284.31 = 23,855.54 : x
  2. Step 2: Convert to fraction form
    86,184.50/129,284.31 = 23,855.54/x
  3. Step 3: Cross multiply
    86,184.50x = 129,284.31 × 23,855.54
  4. Step 4: Simplify right side
    86,184.50x = 3,084,147,028.58
  5. Step 5: Solve for x
    x = 3,084,147,028.58/86,184.50
  6. Step 6: Final answer
    x = 35,785.40

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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.