Home / 79,548.74-109,774.31-43,736.62

Finding the Fourth Proportional to 79,548.74, 109,774.31 and 43,736.62

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Solution

The fourth proportional to 79,548.74, 109,774.31 and 43,736.62 is: 60,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.74 : 109,774.31 = 43,736.62 : x
  2. Step 2: Convert to fraction form
    79,548.74/109,774.31 = 43,736.62/x
  3. Step 3: Cross multiply
    79,548.74x = 109,774.31 × 43,736.62
  4. Step 4: Simplify right side
    79,548.74x = 4,801,157,282.23
  5. Step 5: Solve for x
    x = 4,801,157,282.23/79,548.74
  6. Step 6: Final answer
    x = 60,354.91

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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.