Home / 79,075.90-109,124.67-43,266.06

Finding the Fourth Proportional to 79,075.90, 109,124.67 and 43,266.06

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Solution

The fourth proportional to 79,075.90, 109,124.67 and 43,266.06 is: 59,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,075.90 : 109,124.67 = 43,266.06 : x
  2. Step 2: Convert to fraction form
    79,075.90/109,124.67 = 43,266.06/x
  3. Step 3: Cross multiply
    79,075.90x = 109,124.67 × 43,266.06
  4. Step 4: Simplify right side
    79,075.90x = 4,721,394,519.70
  5. Step 5: Solve for x
    x = 4,721,394,519.70/79,075.90
  6. Step 6: Final answer
    x = 59,707.12

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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.