Home / 79,176.12-109,263.36-43,365.84

Finding the Fourth Proportional to 79,176.12, 109,263.36 and 43,365.84

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Solution

The fourth proportional to 79,176.12, 109,263.36 and 43,365.84 is: 59,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,176.12 : 109,263.36 = 43,365.84 : x
  2. Step 2: Convert to fraction form
    79,176.12/109,263.36 = 43,365.84/x
  3. Step 3: Cross multiply
    79,176.12x = 109,263.36 × 43,365.84
  4. Step 4: Simplify right side
    79,176.12x = 4,738,297,387.62
  5. Step 5: Solve for x
    x = 4,738,297,387.62/79,176.12
  6. Step 6: Final answer
    x = 59,845.03

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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.