Home / 79,402.34-109,574.38-43,591.44

Finding the Fourth Proportional to 79,402.34, 109,574.38 and 43,591.44

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Solution

The fourth proportional to 79,402.34, 109,574.38 and 43,591.44 is: 60,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,402.34 : 109,574.38 = 43,591.44 : x
  2. Step 2: Convert to fraction form
    79,402.34/109,574.38 = 43,591.44/x
  3. Step 3: Cross multiply
    79,402.34x = 109,574.38 × 43,591.44
  4. Step 4: Simplify right side
    79,402.34x = 4,776,505,011.31
  5. Step 5: Solve for x
    x = 4,776,505,011.31/79,402.34
  6. Step 6: Final answer
    x = 60,155.72

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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.