Home / 51,789.66-77,686.21-14,350.11

Finding the Fourth Proportional to 51,789.66, 77,686.21 and 14,350.11

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Solution

The fourth proportional to 51,789.66, 77,686.21 and 14,350.11 is: 21,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.66 : 77,686.21 = 14,350.11 : x
  2. Step 2: Convert to fraction form
    51,789.66/77,686.21 = 14,350.11/x
  3. Step 3: Cross multiply
    51,789.66x = 77,686.21 × 14,350.11
  4. Step 4: Simplify right side
    51,789.66x = 1,114,805,658.98
  5. Step 5: Solve for x
    x = 1,114,805,658.98/51,789.66
  6. Step 6: Final answer
    x = 21,525.64

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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.