Home / 89,574.03-134,277.21-30,367.89

Finding the Fourth Proportional to 89,574.03, 134,277.21 and 30,367.89

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Solution

The fourth proportional to 89,574.03, 134,277.21 and 30,367.89 is: 45,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574.03 : 134,277.21 = 30,367.89 : x
  2. Step 2: Convert to fraction form
    89,574.03/134,277.21 = 30,367.89/x
  3. Step 3: Cross multiply
    89,574.03x = 134,277.21 × 30,367.89
  4. Step 4: Simplify right side
    89,574.03x = 4,077,715,542.79
  5. Step 5: Solve for x
    x = 4,077,715,542.79/89,574.03
  6. Step 6: Final answer
    x = 45,523.41

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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.