Home / 75,621.95-113,424.27-20,222.27

Finding the Fourth Proportional to 75,621.95, 113,424.27 and 20,222.27

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Solution

The fourth proportional to 75,621.95, 113,424.27 and 20,222.27 is: 30,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.95 : 113,424.27 = 20,222.27 : x
  2. Step 2: Convert to fraction form
    75,621.95/113,424.27 = 20,222.27/x
  3. Step 3: Cross multiply
    75,621.95x = 113,424.27 × 20,222.27
  4. Step 4: Simplify right side
    75,621.95x = 2,293,696,212.49
  5. Step 5: Solve for x
    x = 2,293,696,212.49/75,621.95
  6. Step 6: Final answer
    x = 30,331.09

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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.