Home / 75,621.45-113,448.60-23,029.56

Finding the Fourth Proportional to 75,621.45, 113,448.60 and 23,029.56

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Solution

The fourth proportional to 75,621.45, 113,448.60 and 23,029.56 is: 34,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.45 : 113,448.60 = 23,029.56 : x
  2. Step 2: Convert to fraction form
    75,621.45/113,448.60 = 23,029.56/x
  3. Step 3: Cross multiply
    75,621.45x = 113,448.60 × 23,029.56
  4. Step 4: Simplify right side
    75,621.45x = 2,612,671,340.62
  5. Step 5: Solve for x
    x = 2,612,671,340.62/75,621.45
  6. Step 6: Final answer
    x = 34,549.34

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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.