Home / 75,132.63-103,679.11-41,134.60

Finding the Fourth Proportional to 75,132.63, 103,679.11 and 41,134.60

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Solution

The fourth proportional to 75,132.63, 103,679.11 and 41,134.60 is: 56,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.63 : 103,679.11 = 41,134.60 : x
  2. Step 2: Convert to fraction form
    75,132.63/103,679.11 = 41,134.60/x
  3. Step 3: Cross multiply
    75,132.63x = 103,679.11 × 41,134.60
  4. Step 4: Simplify right side
    75,132.63x = 4,264,797,994.14
  5. Step 5: Solve for x
    x = 4,264,797,994.14/75,132.63
  6. Step 6: Final answer
    x = 56,763.60

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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.