Home / 57,898.27-86,855.71-17,920.77

Finding the Fourth Proportional to 57,898.27, 86,855.71 and 17,920.77

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Solution

The fourth proportional to 57,898.27, 86,855.71 and 17,920.77 is: 26,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,898.27 : 86,855.71 = 17,920.77 : x
  2. Step 2: Convert to fraction form
    57,898.27/86,855.71 = 17,920.77/x
  3. Step 3: Cross multiply
    57,898.27x = 86,855.71 × 17,920.77
  4. Step 4: Simplify right side
    57,898.27x = 1,556,520,950.70
  5. Step 5: Solve for x
    x = 1,556,520,950.70/57,898.27
  6. Step 6: Final answer
    x = 26,883.72

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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.