Home / 89,760.51-134,635.91-27,431.01

Finding the Fourth Proportional to 89,760.51, 134,635.91 and 27,431.01

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Solution

The fourth proportional to 89,760.51, 134,635.91 and 27,431.01 is: 41,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,760.51 : 134,635.91 = 27,431.01 : x
  2. Step 2: Convert to fraction form
    89,760.51/134,635.91 = 27,431.01/x
  3. Step 3: Cross multiply
    89,760.51x = 134,635.91 × 27,431.01
  4. Step 4: Simplify right side
    89,760.51x = 3,693,198,856.41
  5. Step 5: Solve for x
    x = 3,693,198,856.41/89,760.51
  6. Step 6: Final answer
    x = 41,145.03

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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.