Home / 51,127.24-76,713.18-17,871.17

Finding the Fourth Proportional to 51,127.24, 76,713.18 and 17,871.17

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Solution

The fourth proportional to 51,127.24, 76,713.18 and 17,871.17 is: 26,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127.24 : 76,713.18 = 17,871.17 : x
  2. Step 2: Convert to fraction form
    51,127.24/76,713.18 = 17,871.17/x
  3. Step 3: Cross multiply
    51,127.24x = 76,713.18 × 17,871.17
  4. Step 4: Simplify right side
    51,127.24x = 1,370,953,897.45
  5. Step 5: Solve for x
    x = 1,370,953,897.45/51,127.24
  6. Step 6: Final answer
    x = 26,814.55

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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.