Home / 103,661.08-155,491.62-33,547.48

Finding the Fourth Proportional to 103,661.08, 155,491.62 and 33,547.48

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Solution

The fourth proportional to 103,661.08, 155,491.62 and 33,547.48 is: 50,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661.08 : 155,491.62 = 33,547.48 : x
  2. Step 2: Convert to fraction form
    103,661.08/155,491.62 = 33,547.48/x
  3. Step 3: Cross multiply
    103,661.08x = 155,491.62 × 33,547.48
  4. Step 4: Simplify right side
    103,661.08x = 5,216,352,012.12
  5. Step 5: Solve for x
    x = 5,216,352,012.12/103,661.08
  6. Step 6: Final answer
    x = 50,321.22

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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.