Home / 51,139.08-76,703.76-17,852.94

Finding the Fourth Proportional to 51,139.08, 76,703.76 and 17,852.94

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Solution

The fourth proportional to 51,139.08, 76,703.76 and 17,852.94 is: 26,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,139.08 : 76,703.76 = 17,852.94 : x
  2. Step 2: Convert to fraction form
    51,139.08/76,703.76 = 17,852.94/x
  3. Step 3: Cross multiply
    51,139.08x = 76,703.76 × 17,852.94
  4. Step 4: Simplify right side
    51,139.08x = 1,369,387,625.05
  5. Step 5: Solve for x
    x = 1,369,387,625.05/51,139.08
  6. Step 6: Final answer
    x = 26,777.71

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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.