Home / 75,100.10-103,638.33-41,567.30

Finding the Fourth Proportional to 75,100.10, 103,638.33 and 41,567.30

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Solution

The fourth proportional to 75,100.10, 103,638.33 and 41,567.30 is: 57,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100.10 : 103,638.33 = 41,567.30 : x
  2. Step 2: Convert to fraction form
    75,100.10/103,638.33 = 41,567.30/x
  3. Step 3: Cross multiply
    75,100.10x = 103,638.33 × 41,567.30
  4. Step 4: Simplify right side
    75,100.10x = 4,307,965,554.61
  5. Step 5: Solve for x
    x = 4,307,965,554.61/75,100.10
  6. Step 6: Final answer
    x = 57,362.98

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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.