Home / 79,250.13-109,363.45-43,439.37

Finding the Fourth Proportional to 79,250.13, 109,363.45 and 43,439.37

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Solution

The fourth proportional to 79,250.13, 109,363.45 and 43,439.37 is: 59,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,250.13 : 109,363.45 = 43,439.37 : x
  2. Step 2: Convert to fraction form
    79,250.13/109,363.45 = 43,439.37/x
  3. Step 3: Cross multiply
    79,250.13x = 109,363.45 × 43,439.37
  4. Step 4: Simplify right side
    79,250.13x = 4,750,679,369.03
  5. Step 5: Solve for x
    x = 4,750,679,369.03/79,250.13
  6. Step 6: Final answer
    x = 59,945.38

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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.