Home / 75,703.26-113,558.03-28,313.60

Finding the Fourth Proportional to 75,703.26, 113,558.03 and 28,313.60

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Solution

The fourth proportional to 75,703.26, 113,558.03 and 28,313.60 is: 42,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,703.26 : 113,558.03 = 28,313.60 : x
  2. Step 2: Convert to fraction form
    75,703.26/113,558.03 = 28,313.60/x
  3. Step 3: Cross multiply
    75,703.26x = 113,558.03 × 28,313.60
  4. Step 4: Simplify right side
    75,703.26x = 3,215,236,496.64
  5. Step 5: Solve for x
    x = 3,215,236,496.64/75,703.26
  6. Step 6: Final answer
    x = 42,471.57

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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.