Home / 79,075.11-109,122.68-43,264.61

Finding the Fourth Proportional to 79,075.11, 109,122.68 and 43,264.61

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Solution

The fourth proportional to 79,075.11, 109,122.68 and 43,264.61 is: 59,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,075.11 : 109,122.68 = 43,264.61 : x
  2. Step 2: Convert to fraction form
    79,075.11/109,122.68 = 43,264.61/x
  3. Step 3: Cross multiply
    79,075.11x = 109,122.68 × 43,264.61
  4. Step 4: Simplify right side
    79,075.11x = 4,721,150,192.35
  5. Step 5: Solve for x
    x = 4,721,150,192.35/79,075.11
  6. Step 6: Final answer
    x = 59,704.63

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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.