Home / 51,780.66-77,670.98-16,240.69

Finding the Fourth Proportional to 51,780.66, 77,670.98 and 16,240.69

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Solution

The fourth proportional to 51,780.66, 77,670.98 and 16,240.69 is: 24,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.66 : 77,670.98 = 16,240.69 : x
  2. Step 2: Convert to fraction form
    51,780.66/77,670.98 = 16,240.69/x
  3. Step 3: Cross multiply
    51,780.66x = 77,670.98 × 16,240.69
  4. Step 4: Simplify right side
    51,780.66x = 1,261,430,308.18
  5. Step 5: Solve for x
    x = 1,261,430,308.18/51,780.66
  6. Step 6: Final answer
    x = 24,361.03

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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.