Home / 86,181.77-129,272.66-27,022.01

Finding the Fourth Proportional to 86,181.77, 129,272.66 and 27,022.01

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Solution

The fourth proportional to 86,181.77, 129,272.66 and 27,022.01 is: 40,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,181.77 : 129,272.66 = 27,022.01 : x
  2. Step 2: Convert to fraction form
    86,181.77/129,272.66 = 27,022.01/x
  3. Step 3: Cross multiply
    86,181.77x = 129,272.66 × 27,022.01
  4. Step 4: Simplify right side
    86,181.77x = 3,493,206,431.11
  5. Step 5: Solve for x
    x = 3,493,206,431.11/86,181.77
  6. Step 6: Final answer
    x = 40,533.01

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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.