Home / 45,866.42-68,795.01-12,589.84

Finding the Fourth Proportional to 45,866.42, 68,795.01 and 12,589.84

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Solution

The fourth proportional to 45,866.42, 68,795.01 and 12,589.84 is: 18,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,866.42 : 68,795.01 = 12,589.84 : x
  2. Step 2: Convert to fraction form
    45,866.42/68,795.01 = 12,589.84/x
  3. Step 3: Cross multiply
    45,866.42x = 68,795.01 × 12,589.84
  4. Step 4: Simplify right side
    45,866.42x = 866,118,168.70
  5. Step 5: Solve for x
    x = 866,118,168.70/45,866.42
  6. Step 6: Final answer
    x = 18,883.49

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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.