Home / 51,189.89-76,790.97-48,390.53

Finding the Fourth Proportional to 51,189.89, 76,790.97 and 48,390.53

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Solution

The fourth proportional to 51,189.89, 76,790.97 and 48,390.53 is: 72,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,189.89 : 76,790.97 = 48,390.53 : x
  2. Step 2: Convert to fraction form
    51,189.89/76,790.97 = 48,390.53/x
  3. Step 3: Cross multiply
    51,189.89x = 76,790.97 × 48,390.53
  4. Step 4: Simplify right side
    51,189.89x = 3,715,955,737.51
  5. Step 5: Solve for x
    x = 3,715,955,737.51/51,189.89
  6. Step 6: Final answer
    x = 72,591.59

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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.