Home / 79,367.45-109,526.99-43,557.55

Finding the Fourth Proportional to 79,367.45, 109,526.99 and 43,557.55

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Solution

The fourth proportional to 79,367.45, 109,526.99 and 43,557.55 is: 60,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367.45 : 109,526.99 = 43,557.55 : x
  2. Step 2: Convert to fraction form
    79,367.45/109,526.99 = 43,557.55/x
  3. Step 3: Cross multiply
    79,367.45x = 109,526.99 × 43,557.55
  4. Step 4: Simplify right side
    79,367.45x = 4,770,726,851.67
  5. Step 5: Solve for x
    x = 4,770,726,851.67/79,367.45
  6. Step 6: Final answer
    x = 60,109.37

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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.