Home / 50,742.28-70,043.97-45,427.87

Finding the Fourth Proportional to 50,742.28, 70,043.97 and 45,427.87

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Solution

The fourth proportional to 50,742.28, 70,043.97 and 45,427.87 is: 62,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,742.28 : 70,043.97 = 45,427.87 : x
  2. Step 2: Convert to fraction form
    50,742.28/70,043.97 = 45,427.87/x
  3. Step 3: Cross multiply
    50,742.28x = 70,043.97 × 45,427.87
  4. Step 4: Simplify right side
    50,742.28x = 3,181,948,363.44
  5. Step 5: Solve for x
    x = 3,181,948,363.44/50,742.28
  6. Step 6: Final answer
    x = 62,708.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.