Home / 52,455.57-78,706.62-27,489.69

Finding the Fourth Proportional to 52,455.57, 78,706.62 and 27,489.69

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Solution

The fourth proportional to 52,455.57, 78,706.62 and 27,489.69 is: 41,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.57 : 78,706.62 = 27,489.69 : x
  2. Step 2: Convert to fraction form
    52,455.57/78,706.62 = 27,489.69/x
  3. Step 3: Cross multiply
    52,455.57x = 78,706.62 × 27,489.69
  4. Step 4: Simplify right side
    52,455.57x = 2,163,620,220.87
  5. Step 5: Solve for x
    x = 2,163,620,220.87/52,455.57
  6. Step 6: Final answer
    x = 41,246.72

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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.