Home / 51,427.88-76,800.05-50,871.18

Finding the Fourth Proportional to 51,427.88, 76,800.05 and 50,871.18

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Solution

The fourth proportional to 51,427.88, 76,800.05 and 50,871.18 is: 75,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,427.88 : 76,800.05 = 50,871.18 : x
  2. Step 2: Convert to fraction form
    51,427.88/76,800.05 = 50,871.18/x
  3. Step 3: Cross multiply
    51,427.88x = 76,800.05 × 50,871.18
  4. Step 4: Simplify right side
    51,427.88x = 3,906,909,582.74
  5. Step 5: Solve for x
    x = 3,906,909,582.74/51,427.88
  6. Step 6: Final answer
    x = 75,968.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.