Home / 82,612.45-123,923.40-23,443.48

Finding the Fourth Proportional to 82,612.45, 123,923.40 and 23,443.48

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Solution

The fourth proportional to 82,612.45, 123,923.40 and 23,443.48 is: 35,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,612.45 : 123,923.40 = 23,443.48 : x
  2. Step 2: Convert to fraction form
    82,612.45/123,923.40 = 23,443.48/x
  3. Step 3: Cross multiply
    82,612.45x = 123,923.40 × 23,443.48
  4. Step 4: Simplify right side
    82,612.45x = 2,905,195,749.43
  5. Step 5: Solve for x
    x = 2,905,195,749.43/82,612.45
  6. Step 6: Final answer
    x = 35,166.56

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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.