Home / 90,576.09-135,860.49-46,201.86

Finding the Fourth Proportional to 90,576.09, 135,860.49 and 46,201.86

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Solution

The fourth proportional to 90,576.09, 135,860.49 and 46,201.86 is: 69,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,576.09 : 135,860.49 = 46,201.86 : x
  2. Step 2: Convert to fraction form
    90,576.09/135,860.49 = 46,201.86/x
  3. Step 3: Cross multiply
    90,576.09x = 135,860.49 × 46,201.86
  4. Step 4: Simplify right side
    90,576.09x = 6,277,007,338.51
  5. Step 5: Solve for x
    x = 6,277,007,338.51/90,576.09
  6. Step 6: Final answer
    x = 69,300.93

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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.