Home / 75,360.72-103,999.68-41,372.60

Finding the Fourth Proportional to 75,360.72, 103,999.68 and 41,372.60

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Solution

The fourth proportional to 75,360.72, 103,999.68 and 41,372.60 is: 57,095.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.72 : 103,999.68 = 41,372.60 : x
  2. Step 2: Convert to fraction form
    75,360.72/103,999.68 = 41,372.60/x
  3. Step 3: Cross multiply
    75,360.72x = 103,999.68 × 41,372.60
  4. Step 4: Simplify right side
    75,360.72x = 4,302,737,160.77
  5. Step 5: Solve for x
    x = 4,302,737,160.77/75,360.72
  6. Step 6: Final answer
    x = 57,095.22

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1.5x scale

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.