Home / 75,675.28-113,513.08-28,932.88

Finding the Fourth Proportional to 75,675.28, 113,513.08 and 28,932.88

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Solution

The fourth proportional to 75,675.28, 113,513.08 and 28,932.88 is: 43,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,675.28 : 113,513.08 = 28,932.88 : x
  2. Step 2: Convert to fraction form
    75,675.28/113,513.08 = 28,932.88/x
  3. Step 3: Cross multiply
    75,675.28x = 113,513.08 × 28,932.88
  4. Step 4: Simplify right side
    75,675.28x = 3,284,260,322.07
  5. Step 5: Solve for x
    x = 3,284,260,322.07/75,675.28
  6. Step 6: Final answer
    x = 43,399.38

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1.5x scale

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.