Home / 79,359.28-109,518.95-43,550.57

Finding the Fourth Proportional to 79,359.28, 109,518.95 and 43,550.57

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Solution

The fourth proportional to 79,359.28, 109,518.95 and 43,550.57 is: 60,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.28 : 109,518.95 = 43,550.57 : x
  2. Step 2: Convert to fraction form
    79,359.28/109,518.95 = 43,550.57/x
  3. Step 3: Cross multiply
    79,359.28x = 109,518.95 × 43,550.57
  4. Step 4: Simplify right side
    79,359.28x = 4,769,613,080.98
  5. Step 5: Solve for x
    x = 4,769,613,080.98/79,359.28
  6. Step 6: Final answer
    x = 60,101.52

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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.