Home / 90,208.41-135,324.57-33,274.65

Finding the Fourth Proportional to 90,208.41, 135,324.57 and 33,274.65

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Solution

The fourth proportional to 90,208.41, 135,324.57 and 33,274.65 is: 49,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,208.41 : 135,324.57 = 33,274.65 : x
  2. Step 2: Convert to fraction form
    90,208.41/135,324.57 = 33,274.65/x
  3. Step 3: Cross multiply
    90,208.41x = 135,324.57 × 33,274.65
  4. Step 4: Simplify right side
    90,208.41x = 4,502,877,703.15
  5. Step 5: Solve for x
    x = 4,502,877,703.15/90,208.41
  6. Step 6: Final answer
    x = 49,916.38

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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.