Home / 79,164.04-109,245.54-43,354.12

Finding the Fourth Proportional to 79,164.04, 109,245.54 and 43,354.12

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Solution

The fourth proportional to 79,164.04, 109,245.54 and 43,354.12 is: 59,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,164.04 : 109,245.54 = 43,354.12 : x
  2. Step 2: Convert to fraction form
    79,164.04/109,245.54 = 43,354.12/x
  3. Step 3: Cross multiply
    79,164.04x = 109,245.54 × 43,354.12
  4. Step 4: Simplify right side
    79,164.04x = 4,736,244,250.62
  5. Step 5: Solve for x
    x = 4,736,244,250.62/79,164.04
  6. Step 6: Final answer
    x = 59,828.23

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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.