Home / 79,969.41-119,954.70-30,060.81

Finding the Fourth Proportional to 79,969.41, 119,954.70 and 30,060.81

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Solution

The fourth proportional to 79,969.41, 119,954.70 and 30,060.81 is: 45,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,969.41 : 119,954.70 = 30,060.81 : x
  2. Step 2: Convert to fraction form
    79,969.41/119,954.70 = 30,060.81/x
  3. Step 3: Cross multiply
    79,969.41x = 119,954.70 × 30,060.81
  4. Step 4: Simplify right side
    79,969.41x = 3,605,935,445.31
  5. Step 5: Solve for x
    x = 3,605,935,445.31/79,969.41
  6. Step 6: Final answer
    x = 45,091.43

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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.