Home / 79,206.38-109,277.89-45,190.43

Finding the Fourth Proportional to 79,206.38, 109,277.89 and 45,190.43

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Solution

The fourth proportional to 79,206.38, 109,277.89 and 45,190.43 is: 62,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,206.38 : 109,277.89 = 45,190.43 : x
  2. Step 2: Convert to fraction form
    79,206.38/109,277.89 = 45,190.43/x
  3. Step 3: Cross multiply
    79,206.38x = 109,277.89 × 45,190.43
  4. Step 4: Simplify right side
    79,206.38x = 4,938,314,179.23
  5. Step 5: Solve for x
    x = 4,938,314,179.23/79,206.38
  6. Step 6: Final answer
    x = 62,347.43

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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.