Home / 55,165.06-82,725.63-28,891.90

Finding the Fourth Proportional to 55,165.06, 82,725.63 and 28,891.90

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Solution

The fourth proportional to 55,165.06, 82,725.63 and 28,891.90 is: 43,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.06 : 82,725.63 = 28,891.90 : x
  2. Step 2: Convert to fraction form
    55,165.06/82,725.63 = 28,891.90/x
  3. Step 3: Cross multiply
    55,165.06x = 82,725.63 × 28,891.90
  4. Step 4: Simplify right side
    55,165.06x = 2,390,100,629.40
  5. Step 5: Solve for x
    x = 2,390,100,629.40/55,165.06
  6. Step 6: Final answer
    x = 43,326.35

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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.