Home / 75,360.72-103,999.16-41,372.42

Finding the Fourth Proportional to 75,360.72, 103,999.16 and 41,372.42

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Solution

The fourth proportional to 75,360.72, 103,999.16 and 41,372.42 is: 57,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.72 : 103,999.16 = 41,372.42 : x
  2. Step 2: Convert to fraction form
    75,360.72/103,999.16 = 41,372.42/x
  3. Step 3: Cross multiply
    75,360.72x = 103,999.16 × 41,372.42
  4. Step 4: Simplify right side
    75,360.72x = 4,302,696,510.60
  5. Step 5: Solve for x
    x = 4,302,696,510.60/75,360.72
  6. Step 6: Final answer
    x = 57,094.68

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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.