Home / 75,977.28-113,970.77-29,230.16

Finding the Fourth Proportional to 75,977.28, 113,970.77 and 29,230.16

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Solution

The fourth proportional to 75,977.28, 113,970.77 and 29,230.16 is: 43,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,977.28 : 113,970.77 = 29,230.16 : x
  2. Step 2: Convert to fraction form
    75,977.28/113,970.77 = 29,230.16/x
  3. Step 3: Cross multiply
    75,977.28x = 113,970.77 × 29,230.16
  4. Step 4: Simplify right side
    75,977.28x = 3,331,383,126.42
  5. Step 5: Solve for x
    x = 3,331,383,126.42/75,977.28
  6. Step 6: Final answer
    x = 43,847.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.