Home / 51,199.52-76,834.10-31,417.70

Finding the Fourth Proportional to 51,199.52, 76,834.10 and 31,417.70

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Solution

The fourth proportional to 51,199.52, 76,834.10 and 31,417.70 is: 47,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.52 : 76,834.10 = 31,417.70 : x
  2. Step 2: Convert to fraction form
    51,199.52/76,834.10 = 31,417.70/x
  3. Step 3: Cross multiply
    51,199.52x = 76,834.10 × 31,417.70
  4. Step 4: Simplify right side
    51,199.52x = 2,413,950,397.94
  5. Step 5: Solve for x
    x = 2,413,950,397.94/51,199.52
  6. Step 6: Final answer
    x = 47,147.92

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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.