Home / 51,134.49-76,699.91-17,854.43

Finding the Fourth Proportional to 51,134.49, 76,699.91 and 17,854.43

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Solution

The fourth proportional to 51,134.49, 76,699.91 and 17,854.43 is: 26,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.49 : 76,699.91 = 17,854.43 : x
  2. Step 2: Convert to fraction form
    51,134.49/76,699.91 = 17,854.43/x
  3. Step 3: Cross multiply
    51,134.49x = 76,699.91 × 17,854.43
  4. Step 4: Simplify right side
    51,134.49x = 1,369,432,835.24
  5. Step 5: Solve for x
    x = 1,369,432,835.24/51,134.49
  6. Step 6: Final answer
    x = 26,781.00

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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.