Home / 79,192.32-109,285.08-43,382.28

Finding the Fourth Proportional to 79,192.32, 109,285.08 and 43,382.28

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Solution

The fourth proportional to 79,192.32, 109,285.08 and 43,382.28 is: 59,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.32 : 109,285.08 = 43,382.28 : x
  2. Step 2: Convert to fraction form
    79,192.32/109,285.08 = 43,382.28/x
  3. Step 3: Cross multiply
    79,192.32x = 109,285.08 × 43,382.28
  4. Step 4: Simplify right side
    79,192.32x = 4,741,035,940.38
  5. Step 5: Solve for x
    x = 4,741,035,940.38/79,192.32
  6. Step 6: Final answer
    x = 59,867.37

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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.