Home / 51,649.89-77,464.64-14,200.31

Finding the Fourth Proportional to 51,649.89, 77,464.64 and 14,200.31

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Solution

The fourth proportional to 51,649.89, 77,464.64 and 14,200.31 is: 21,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.89 : 77,464.64 = 14,200.31 : x
  2. Step 2: Convert to fraction form
    51,649.89/77,464.64 = 14,200.31/x
  3. Step 3: Cross multiply
    51,649.89x = 77,464.64 × 14,200.31
  4. Step 4: Simplify right side
    51,649.89x = 1,100,021,443.71
  5. Step 5: Solve for x
    x = 1,100,021,443.71/51,649.89
  6. Step 6: Final answer
    x = 21,297.65

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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.