Home / 48,849.40-73,128.30-45,965.80

Finding the Fourth Proportional to 48,849.40, 73,128.30 and 45,965.80

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Solution

The fourth proportional to 48,849.40, 73,128.30 and 45,965.80 is: 68,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,849.40 : 73,128.30 = 45,965.80 : x
  2. Step 2: Convert to fraction form
    48,849.40/73,128.30 = 45,965.80/x
  3. Step 3: Cross multiply
    48,849.40x = 73,128.30 × 45,965.80
  4. Step 4: Simplify right side
    48,849.40x = 3,361,400,812.14
  5. Step 5: Solve for x
    x = 3,361,400,812.14/48,849.40
  6. Step 6: Final answer
    x = 68,811.51

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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.