Home / 79,573.05-109,813.11-43,765.36

Finding the Fourth Proportional to 79,573.05, 109,813.11 and 43,765.36

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Solution

The fourth proportional to 79,573.05, 109,813.11 and 43,765.36 is: 60,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,573.05 : 109,813.11 = 43,765.36 : x
  2. Step 2: Convert to fraction form
    79,573.05/109,813.11 = 43,765.36/x
  3. Step 3: Cross multiply
    79,573.05x = 109,813.11 × 43,765.36
  4. Step 4: Simplify right side
    79,573.05x = 4,806,009,853.22
  5. Step 5: Solve for x
    x = 4,806,009,853.22/79,573.05
  6. Step 6: Final answer
    x = 60,397.46

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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.