Home / 89,949.78-134,900.03-33,785.55

Finding the Fourth Proportional to 89,949.78, 134,900.03 and 33,785.55

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Solution

The fourth proportional to 89,949.78, 134,900.03 and 33,785.55 is: 50,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,949.78 : 134,900.03 = 33,785.55 : x
  2. Step 2: Convert to fraction form
    89,949.78/134,900.03 = 33,785.55/x
  3. Step 3: Cross multiply
    89,949.78x = 134,900.03 × 33,785.55
  4. Step 4: Simplify right side
    89,949.78x = 4,557,671,539.64
  5. Step 5: Solve for x
    x = 4,557,671,539.64/89,949.78
  6. Step 6: Final answer
    x = 50,669.07

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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.