Home / 69,072.65-103,640.40-33,514.77

Finding the Fourth Proportional to 69,072.65, 103,640.40 and 33,514.77

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Solution

The fourth proportional to 69,072.65, 103,640.40 and 33,514.77 is: 50,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.65 : 103,640.40 = 33,514.77 : x
  2. Step 2: Convert to fraction form
    69,072.65/103,640.40 = 33,514.77/x
  3. Step 3: Cross multiply
    69,072.65x = 103,640.40 × 33,514.77
  4. Step 4: Simplify right side
    69,072.65x = 3,473,484,168.71
  5. Step 5: Solve for x
    x = 3,473,484,168.71/69,072.65
  6. Step 6: Final answer
    x = 50,287.40

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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.