Home / 89,918.40-134,899.32-33,759.12

Finding the Fourth Proportional to 89,918.40, 134,899.32 and 33,759.12

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Solution

The fourth proportional to 89,918.40, 134,899.32 and 33,759.12 is: 50,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,918.40 : 134,899.32 = 33,759.12 : x
  2. Step 2: Convert to fraction form
    89,918.40/134,899.32 = 33,759.12/x
  3. Step 3: Cross multiply
    89,918.40x = 134,899.32 × 33,759.12
  4. Step 4: Simplify right side
    89,918.40x = 4,554,082,331.80
  5. Step 5: Solve for x
    x = 4,554,082,331.80/89,918.40
  6. Step 6: Final answer
    x = 50,646.83

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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.