Home / 109,050.77-150,497.99-66,617.30

Finding the Fourth Proportional to 109,050.77, 150,497.99 and 66,617.30

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Solution

The fourth proportional to 109,050.77, 150,497.99 and 66,617.30 is: 91,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,050.77 : 150,497.99 = 66,617.30 : x
  2. Step 2: Convert to fraction form
    109,050.77/150,497.99 = 66,617.30/x
  3. Step 3: Cross multiply
    109,050.77x = 150,497.99 × 66,617.30
  4. Step 4: Simplify right side
    109,050.77x = 10,025,768,663.65
  5. Step 5: Solve for x
    x = 10,025,768,663.65/109,050.77
  6. Step 6: Final answer
    x = 91,936.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.