Home / 79,403.12-109,571.34-43,592.90

Finding the Fourth Proportional to 79,403.12, 109,571.34 and 43,592.90

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Solution

The fourth proportional to 79,403.12, 109,571.34 and 43,592.90 is: 60,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,403.12 : 109,571.34 = 43,592.90 : x
  2. Step 2: Convert to fraction form
    79,403.12/109,571.34 = 43,592.90/x
  3. Step 3: Cross multiply
    79,403.12x = 109,571.34 × 43,592.90
  4. Step 4: Simplify right side
    79,403.12x = 4,776,532,467.49
  5. Step 5: Solve for x
    x = 4,776,532,467.49/79,403.12
  6. Step 6: Final answer
    x = 60,155.48

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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.