Home / 75,385.33-104,031.89-43,554.25

Finding the Fourth Proportional to 75,385.33, 104,031.89 and 43,554.25

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Solution

The fourth proportional to 75,385.33, 104,031.89 and 43,554.25 is: 60,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,385.33 : 104,031.89 = 43,554.25 : x
  2. Step 2: Convert to fraction form
    75,385.33/104,031.89 = 43,554.25/x
  3. Step 3: Cross multiply
    75,385.33x = 104,031.89 × 43,554.25
  4. Step 4: Simplify right side
    75,385.33x = 4,531,030,793.84
  5. Step 5: Solve for x
    x = 4,531,030,793.84/75,385.33
  6. Step 6: Final answer
    x = 60,104.94

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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.