Home / 79,570.04-109,805.87-43,761.56

Finding the Fourth Proportional to 79,570.04, 109,805.87 and 43,761.56

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Solution

The fourth proportional to 79,570.04, 109,805.87 and 43,761.56 is: 60,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,570.04 : 109,805.87 = 43,761.56 : x
  2. Step 2: Convert to fraction form
    79,570.04/109,805.87 = 43,761.56/x
  3. Step 3: Cross multiply
    79,570.04x = 109,805.87 × 43,761.56
  4. Step 4: Simplify right side
    79,570.04x = 4,805,275,400.52
  5. Step 5: Solve for x
    x = 4,805,275,400.52/79,570.04
  6. Step 6: Final answer
    x = 60,390.52

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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.