Home / 79,376.38-109,541.42-43,566.08

Finding the Fourth Proportional to 79,376.38, 109,541.42 and 43,566.08

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Solution

The fourth proportional to 79,376.38, 109,541.42 and 43,566.08 is: 60,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,376.38 : 109,541.42 = 43,566.08 : x
  2. Step 2: Convert to fraction form
    79,376.38/109,541.42 = 43,566.08/x
  3. Step 3: Cross multiply
    79,376.38x = 109,541.42 × 43,566.08
  4. Step 4: Simplify right side
    79,376.38x = 4,772,290,267.03
  5. Step 5: Solve for x
    x = 4,772,290,267.03/79,376.38
  6. Step 6: Final answer
    x = 60,122.30

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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.