Home / 43,286.95-64,922.22-15,200.40

Finding the Fourth Proportional to 43,286.95, 64,922.22 and 15,200.40

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Solution

The fourth proportional to 43,286.95, 64,922.22 and 15,200.40 is: 22,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.95 : 64,922.22 = 15,200.40 : x
  2. Step 2: Convert to fraction form
    43,286.95/64,922.22 = 15,200.40/x
  3. Step 3: Cross multiply
    43,286.95x = 64,922.22 × 15,200.40
  4. Step 4: Simplify right side
    43,286.95x = 986,843,712.89
  5. Step 5: Solve for x
    x = 986,843,712.89/43,286.95
  6. Step 6: Final answer
    x = 22,797.72

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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.