Home / 45,164.74-67,750.62-13,572.34

Finding the Fourth Proportional to 45,164.74, 67,750.62 and 13,572.34

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Solution

The fourth proportional to 45,164.74, 67,750.62 and 13,572.34 is: 20,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,164.74 : 67,750.62 = 13,572.34 : x
  2. Step 2: Convert to fraction form
    45,164.74/67,750.62 = 13,572.34/x
  3. Step 3: Cross multiply
    45,164.74x = 67,750.62 × 13,572.34
  4. Step 4: Simplify right side
    45,164.74x = 919,534,449.85
  5. Step 5: Solve for x
    x = 919,534,449.85/45,164.74
  6. Step 6: Final answer
    x = 20,359.56

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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.