Home / 79,064.07-109,113.26-45,540.87

Finding the Fourth Proportional to 79,064.07, 109,113.26 and 45,540.87

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Solution

The fourth proportional to 79,064.07, 109,113.26 and 45,540.87 is: 62,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,064.07 : 109,113.26 = 45,540.87 : x
  2. Step 2: Convert to fraction form
    79,064.07/109,113.26 = 45,540.87/x
  3. Step 3: Cross multiply
    79,064.07x = 109,113.26 × 45,540.87
  4. Step 4: Simplify right side
    79,064.07x = 4,969,112,561.23
  5. Step 5: Solve for x
    x = 4,969,112,561.23/79,064.07
  6. Step 6: Final answer
    x = 62,849.19

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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.