Home / 60,481.28-90,314.30-49,409.84

Finding the Fourth Proportional to 60,481.28, 90,314.30 and 49,409.84

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Solution

The fourth proportional to 60,481.28, 90,314.30 and 49,409.84 is: 73,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481.28 : 90,314.30 = 49,409.84 : x
  2. Step 2: Convert to fraction form
    60,481.28/90,314.30 = 49,409.84/x
  3. Step 3: Cross multiply
    60,481.28x = 90,314.30 × 49,409.84
  4. Step 4: Simplify right side
    60,481.28x = 4,462,415,112.71
  5. Step 5: Solve for x
    x = 4,462,415,112.71/60,481.28
  6. Step 6: Final answer
    x = 73,781.76

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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.