Home / 51,955.11-77,830.20-27,011.43

Finding the Fourth Proportional to 51,955.11, 77,830.20 and 27,011.43

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Solution

The fourth proportional to 51,955.11, 77,830.20 and 27,011.43 is: 40,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,955.11 : 77,830.20 = 27,011.43 : x
  2. Step 2: Convert to fraction form
    51,955.11/77,830.20 = 27,011.43/x
  3. Step 3: Cross multiply
    51,955.11x = 77,830.20 × 27,011.43
  4. Step 4: Simplify right side
    51,955.11x = 2,102,304,999.19
  5. Step 5: Solve for x
    x = 2,102,304,999.19/51,955.11
  6. Step 6: Final answer
    x = 40,463.87

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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.