Home / 51,765.88-77,650.54-14,322.81

Finding the Fourth Proportional to 51,765.88, 77,650.54 and 14,322.81

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Solution

The fourth proportional to 51,765.88, 77,650.54 and 14,322.81 is: 21,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,765.88 : 77,650.54 = 14,322.81 : x
  2. Step 2: Convert to fraction form
    51,765.88/77,650.54 = 14,322.81/x
  3. Step 3: Cross multiply
    51,765.88x = 77,650.54 × 14,322.81
  4. Step 4: Simplify right side
    51,765.88x = 1,112,173,859.20
  5. Step 5: Solve for x
    x = 1,112,173,859.20/51,765.88
  6. Step 6: Final answer
    x = 21,484.69

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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.