Home / 75,122.49-103,668.08-43,294.35

Finding the Fourth Proportional to 75,122.49, 103,668.08 and 43,294.35

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Solution

The fourth proportional to 75,122.49, 103,668.08 and 43,294.35 is: 59,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.49 : 103,668.08 = 43,294.35 : x
  2. Step 2: Convert to fraction form
    75,122.49/103,668.08 = 43,294.35/x
  3. Step 3: Cross multiply
    75,122.49x = 103,668.08 × 43,294.35
  4. Step 4: Simplify right side
    75,122.49x = 4,488,241,922.88
  5. Step 5: Solve for x
    x = 4,488,241,922.88/75,122.49
  6. Step 6: Final answer
    x = 59,745.65

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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.