Home / 55,285.32-82,942.28-15,845.32

Finding the Fourth Proportional to 55,285.32, 82,942.28 and 15,845.32

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Solution

The fourth proportional to 55,285.32, 82,942.28 and 15,845.32 is: 23,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,285.32 : 82,942.28 = 15,845.32 : x
  2. Step 2: Convert to fraction form
    55,285.32/82,942.28 = 15,845.32/x
  3. Step 3: Cross multiply
    55,285.32x = 82,942.28 × 15,845.32
  4. Step 4: Simplify right side
    55,285.32x = 1,314,246,968.13
  5. Step 5: Solve for x
    x = 1,314,246,968.13/55,285.32
  6. Step 6: Final answer
    x = 23,772.08

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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.