Home / 109,282.89-163,924.65-30,397.19

Finding the Fourth Proportional to 109,282.89, 163,924.65 and 30,397.19

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Solution

The fourth proportional to 109,282.89, 163,924.65 and 30,397.19 is: 45,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,282.89 : 163,924.65 = 30,397.19 : x
  2. Step 2: Convert to fraction form
    109,282.89/163,924.65 = 30,397.19/x
  3. Step 3: Cross multiply
    109,282.89x = 163,924.65 × 30,397.19
  4. Step 4: Simplify right side
    109,282.89x = 4,982,847,912.11
  5. Step 5: Solve for x
    x = 4,982,847,912.11/109,282.89
  6. Step 6: Final answer
    x = 45,595.87

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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.