Home / 75,122.35-103,670.07-41,130.27

Finding the Fourth Proportional to 75,122.35, 103,670.07 and 41,130.27

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Solution

The fourth proportional to 75,122.35, 103,670.07 and 41,130.27 is: 56,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.35 : 103,670.07 = 41,130.27 : x
  2. Step 2: Convert to fraction form
    75,122.35/103,670.07 = 41,130.27/x
  3. Step 3: Cross multiply
    75,122.35x = 103,670.07 × 41,130.27
  4. Step 4: Simplify right side
    75,122.35x = 4,263,977,970.02
  5. Step 5: Solve for x
    x = 4,263,977,970.02/75,122.35
  6. Step 6: Final answer
    x = 56,760.44

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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.