Home / 109,235.62-163,862.33-30,349.86

Finding the Fourth Proportional to 109,235.62, 163,862.33 and 30,349.86

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Solution

The fourth proportional to 109,235.62, 163,862.33 and 30,349.86 is: 45,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,235.62 : 163,862.33 = 30,349.86 : x
  2. Step 2: Convert to fraction form
    109,235.62/163,862.33 = 30,349.86/x
  3. Step 3: Cross multiply
    109,235.62x = 163,862.33 × 30,349.86
  4. Step 4: Simplify right side
    109,235.62x = 4,973,198,008.54
  5. Step 5: Solve for x
    x = 4,973,198,008.54/109,235.62
  6. Step 6: Final answer
    x = 45,527.26

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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.