Home / 75,795.28-113,771.78-55,827.32

Finding the Fourth Proportional to 75,795.28, 113,771.78 and 55,827.32

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Solution

The fourth proportional to 75,795.28, 113,771.78 and 55,827.32 is: 83,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,795.28 : 113,771.78 = 55,827.32 : x
  2. Step 2: Convert to fraction form
    75,795.28/113,771.78 = 55,827.32/x
  3. Step 3: Cross multiply
    75,795.28x = 113,771.78 × 55,827.32
  4. Step 4: Simplify right side
    75,795.28x = 6,351,573,993.03
  5. Step 5: Solve for x
    x = 6,351,573,993.03/75,795.28
  6. Step 6: Final answer
    x = 83,799.07

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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.