Home / 79,444.38-109,628.90-43,628.62

Finding the Fourth Proportional to 79,444.38, 109,628.90 and 43,628.62

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Solution

The fourth proportional to 79,444.38, 109,628.90 and 43,628.62 is: 60,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,444.38 : 109,628.90 = 43,628.62 : x
  2. Step 2: Convert to fraction form
    79,444.38/109,628.90 = 43,628.62/x
  3. Step 3: Cross multiply
    79,444.38x = 109,628.90 × 43,628.62
  4. Step 4: Simplify right side
    79,444.38x = 4,782,957,619.12
  5. Step 5: Solve for x
    x = 4,782,957,619.12/79,444.38
  6. Step 6: Final answer
    x = 60,205.11

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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.