Home / 79,077.74-109,126.35-43,267.37

Finding the Fourth Proportional to 79,077.74, 109,126.35 and 43,267.37

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Solution

The fourth proportional to 79,077.74, 109,126.35 and 43,267.37 is: 59,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,077.74 : 109,126.35 = 43,267.37 : x
  2. Step 2: Convert to fraction form
    79,077.74/109,126.35 = 43,267.37/x
  3. Step 3: Cross multiply
    79,077.74x = 109,126.35 × 43,267.37
  4. Step 4: Simplify right side
    79,077.74x = 4,721,609,616.57
  5. Step 5: Solve for x
    x = 4,721,609,616.57/79,077.74
  6. Step 6: Final answer
    x = 59,708.46

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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.