Home / 82,611.45-123,921.90-23,442.48

Finding the Fourth Proportional to 82,611.45, 123,921.90 and 23,442.48

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Solution

The fourth proportional to 82,611.45, 123,921.90 and 23,442.48 is: 35,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,611.45 : 123,921.90 = 23,442.48 : x
  2. Step 2: Convert to fraction form
    82,611.45/123,921.90 = 23,442.48/x
  3. Step 3: Cross multiply
    82,611.45x = 123,921.90 × 23,442.48
  4. Step 4: Simplify right side
    82,611.45x = 2,905,036,662.31
  5. Step 5: Solve for x
    x = 2,905,036,662.31/82,611.45
  6. Step 6: Final answer
    x = 35,165.06

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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.