Home / 83,528.40-125,286.84-39,165

Finding the Fourth Proportional to 83,528.40, 125,286.84 and 39,165

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Solution

The fourth proportional to 83,528.40, 125,286.84 and 39,165 is: 58,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,528.40 : 125,286.84 = 39,165 : x
  2. Step 2: Convert to fraction form
    83,528.40/125,286.84 = 39,165/x
  3. Step 3: Cross multiply
    83,528.40x = 125,286.84 × 39,165
  4. Step 4: Simplify right side
    83,528.40x = 4,906,859,088.60
  5. Step 5: Solve for x
    x = 4,906,859,088.60/83,528.40
  6. Step 6: Final answer
    x = 58,744.80

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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.