Home / 55,178.59-82,768.66-15,735.70

Finding the Fourth Proportional to 55,178.59, 82,768.66 and 15,735.70

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Solution

The fourth proportional to 55,178.59, 82,768.66 and 15,735.70 is: 23,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.59 : 82,768.66 = 15,735.70 : x
  2. Step 2: Convert to fraction form
    55,178.59/82,768.66 = 15,735.70/x
  3. Step 3: Cross multiply
    55,178.59x = 82,768.66 × 15,735.70
  4. Step 4: Simplify right side
    55,178.59x = 1,302,422,724.48
  5. Step 5: Solve for x
    x = 1,302,422,724.48/55,178.59
  6. Step 6: Final answer
    x = 23,603.77

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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.