Home / 89,470.76-134,202.64-30,306.43

Finding the Fourth Proportional to 89,470.76, 134,202.64 and 30,306.43

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Solution

The fourth proportional to 89,470.76, 134,202.64 and 30,306.43 is: 45,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,470.76 : 134,202.64 = 30,306.43 : x
  2. Step 2: Convert to fraction form
    89,470.76/134,202.64 = 30,306.43/x
  3. Step 3: Cross multiply
    89,470.76x = 134,202.64 × 30,306.43
  4. Step 4: Simplify right side
    89,470.76x = 4,067,202,558.49
  5. Step 5: Solve for x
    x = 4,067,202,558.49/89,470.76
  6. Step 6: Final answer
    x = 45,458.46

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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.