Home / 79,205.38-109,276.51-45,189.43

Finding the Fourth Proportional to 79,205.38, 109,276.51 and 45,189.43

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Solution

The fourth proportional to 79,205.38, 109,276.51 and 45,189.43 is: 62,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,205.38 : 109,276.51 = 45,189.43 : x
  2. Step 2: Convert to fraction form
    79,205.38/109,276.51 = 45,189.43/x
  3. Step 3: Cross multiply
    79,205.38x = 109,276.51 × 45,189.43
  4. Step 4: Simplify right side
    79,205.38x = 4,938,143,199.29
  5. Step 5: Solve for x
    x = 4,938,143,199.29/79,205.38
  6. Step 6: Final answer
    x = 62,346.06

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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.