Home / 79,403.47-109,575.43-43,593.23

Finding the Fourth Proportional to 79,403.47, 109,575.43 and 43,593.23

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Solution

The fourth proportional to 79,403.47, 109,575.43 and 43,593.23 is: 60,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,403.47 : 109,575.43 = 43,593.23 : x
  2. Step 2: Convert to fraction form
    79,403.47/109,575.43 = 43,593.23/x
  3. Step 3: Cross multiply
    79,403.47x = 109,575.43 × 43,593.23
  4. Step 4: Simplify right side
    79,403.47x = 4,776,747,087.29
  5. Step 5: Solve for x
    x = 4,776,747,087.29/79,403.47
  6. Step 6: Final answer
    x = 60,157.92

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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.