Home / 75,458.28-113,187.30-20,054.28

Finding the Fourth Proportional to 75,458.28, 113,187.30 and 20,054.28

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Solution

The fourth proportional to 75,458.28, 113,187.30 and 20,054.28 is: 30,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,458.28 : 113,187.30 = 20,054.28 : x
  2. Step 2: Convert to fraction form
    75,458.28/113,187.30 = 20,054.28/x
  3. Step 3: Cross multiply
    75,458.28x = 113,187.30 × 20,054.28
  4. Step 4: Simplify right side
    75,458.28x = 2,269,889,806.64
  5. Step 5: Solve for x
    x = 2,269,889,806.64/75,458.28
  6. Step 6: Final answer
    x = 30,081.39

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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.