Home / 89,855.05-134,759.51-26,660.22

Finding the Fourth Proportional to 89,855.05, 134,759.51 and 26,660.22

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Solution

The fourth proportional to 89,855.05, 134,759.51 and 26,660.22 is: 39,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,855.05 : 134,759.51 = 26,660.22 : x
  2. Step 2: Convert to fraction form
    89,855.05/134,759.51 = 26,660.22/x
  3. Step 3: Cross multiply
    89,855.05x = 134,759.51 × 26,660.22
  4. Step 4: Simplify right side
    89,855.05x = 3,592,718,050.39
  5. Step 5: Solve for x
    x = 3,592,718,050.39/89,855.05
  6. Step 6: Final answer
    x = 39,983.49

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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.