Home / 45,769.40-68,672.34-16,190.20

Finding the Fourth Proportional to 45,769.40, 68,672.34 and 16,190.20

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Solution

The fourth proportional to 45,769.40, 68,672.34 and 16,190.20 is: 24,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,769.40 : 68,672.34 = 16,190.20 : x
  2. Step 2: Convert to fraction form
    45,769.40/68,672.34 = 16,190.20/x
  3. Step 3: Cross multiply
    45,769.40x = 68,672.34 × 16,190.20
  4. Step 4: Simplify right side
    45,769.40x = 1,111,818,919.07
  5. Step 5: Solve for x
    x = 1,111,818,919.07/45,769.40
  6. Step 6: Final answer
    x = 24,291.75

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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.