Home / 51,716.48-77,573.17-14,278.83

Finding the Fourth Proportional to 51,716.48, 77,573.17 and 14,278.83

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Solution

The fourth proportional to 51,716.48, 77,573.17 and 14,278.83 is: 21,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,716.48 : 77,573.17 = 14,278.83 : x
  2. Step 2: Convert to fraction form
    51,716.48/77,573.17 = 14,278.83/x
  3. Step 3: Cross multiply
    51,716.48x = 77,573.17 × 14,278.83
  4. Step 4: Simplify right side
    51,716.48x = 1,107,654,230.13
  5. Step 5: Solve for x
    x = 1,107,654,230.13/51,716.48
  6. Step 6: Final answer
    x = 21,417.82

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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.