Home / 97,028.11-145,548.30-30,470.86

Finding the Fourth Proportional to 97,028.11, 145,548.30 and 30,470.86

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Solution

The fourth proportional to 97,028.11, 145,548.30 and 30,470.86 is: 45,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,028.11 : 145,548.30 = 30,470.86 : x
  2. Step 2: Convert to fraction form
    97,028.11/145,548.30 = 30,470.86/x
  3. Step 3: Cross multiply
    97,028.11x = 145,548.30 × 30,470.86
  4. Step 4: Simplify right side
    97,028.11x = 4,434,981,144.80
  5. Step 5: Solve for x
    x = 4,434,981,144.80/97,028.11
  6. Step 6: Final answer
    x = 45,708.21

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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.