Home / 45,189.51-67,783.20-15,604.56

Finding the Fourth Proportional to 45,189.51, 67,783.20 and 15,604.56

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Solution

The fourth proportional to 45,189.51, 67,783.20 and 15,604.56 is: 23,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,189.51 : 67,783.20 = 15,604.56 : x
  2. Step 2: Convert to fraction form
    45,189.51/67,783.20 = 15,604.56/x
  3. Step 3: Cross multiply
    45,189.51x = 67,783.20 × 15,604.56
  4. Step 4: Simplify right side
    45,189.51x = 1,057,727,011.39
  5. Step 5: Solve for x
    x = 1,057,727,011.39/45,189.51
  6. Step 6: Final answer
    x = 23,406.47

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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.