Home / 55,244.12-82,869-15,807.08

Finding the Fourth Proportional to 55,244.12, 82,869 and 15,807.08

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Solution

The fourth proportional to 55,244.12, 82,869 and 15,807.08 is: 23,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244.12 : 82,869 = 15,807.08 : x
  2. Step 2: Convert to fraction form
    55,244.12/82,869 = 15,807.08/x
  3. Step 3: Cross multiply
    55,244.12x = 82,869 × 15,807.08
  4. Step 4: Simplify right side
    55,244.12x = 1,309,916,912.52
  5. Step 5: Solve for x
    x = 1,309,916,912.52/55,244.12
  6. Step 6: Final answer
    x = 23,711.43

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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.