Home / 45,409.67-68,120.45-15,004.70

Finding the Fourth Proportional to 45,409.67, 68,120.45 and 15,004.70

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Solution

The fourth proportional to 45,409.67, 68,120.45 and 15,004.70 is: 22,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,409.67 : 68,120.45 = 15,004.70 : x
  2. Step 2: Convert to fraction form
    45,409.67/68,120.45 = 15,004.70/x
  3. Step 3: Cross multiply
    45,409.67x = 68,120.45 × 15,004.70
  4. Step 4: Simplify right side
    45,409.67x = 1,022,126,500.49
  5. Step 5: Solve for x
    x = 1,022,126,500.49/45,409.67
  6. Step 6: Final answer
    x = 22,509.01

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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.