Home / 45,350.87-68,038.52-15,770.34

Finding the Fourth Proportional to 45,350.87, 68,038.52 and 15,770.34

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Solution

The fourth proportional to 45,350.87, 68,038.52 and 15,770.34 is: 23,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.87 : 68,038.52 = 15,770.34 : x
  2. Step 2: Convert to fraction form
    45,350.87/68,038.52 = 15,770.34/x
  3. Step 3: Cross multiply
    45,350.87x = 68,038.52 × 15,770.34
  4. Step 4: Simplify right side
    45,350.87x = 1,072,990,514.65
  5. Step 5: Solve for x
    x = 1,072,990,514.65/45,350.87
  6. Step 6: Final answer
    x = 23,659.76

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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.