Home / 51,839.70-77,744.97-14,390.70

Finding the Fourth Proportional to 51,839.70, 77,744.97 and 14,390.70

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Solution

The fourth proportional to 51,839.70, 77,744.97 and 14,390.70 is: 21,582.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,839.70 : 77,744.97 = 14,390.70 : x
  2. Step 2: Convert to fraction form
    51,839.70/77,744.97 = 14,390.70/x
  3. Step 3: Cross multiply
    51,839.70x = 77,744.97 × 14,390.70
  4. Step 4: Simplify right side
    51,839.70x = 1,118,804,539.78
  5. Step 5: Solve for x
    x = 1,118,804,539.78/51,839.70
  6. Step 6: Final answer
    x = 21,582.00

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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.