Home / 45,525.58-68,285.93-13,935.65

Finding the Fourth Proportional to 45,525.58, 68,285.93 and 13,935.65

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Solution

The fourth proportional to 45,525.58, 68,285.93 and 13,935.65 is: 20,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.58 : 68,285.93 = 13,935.65 : x
  2. Step 2: Convert to fraction form
    45,525.58/68,285.93 = 13,935.65/x
  3. Step 3: Cross multiply
    45,525.58x = 68,285.93 × 13,935.65
  4. Step 4: Simplify right side
    45,525.58x = 951,608,750.73
  5. Step 5: Solve for x
    x = 951,608,750.73/45,525.58
  6. Step 6: Final answer
    x = 20,902.73

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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.