Home / 75,517.80-113,244.30-38,063.40

Finding the Fourth Proportional to 75,517.80, 113,244.30 and 38,063.40

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Solution

The fourth proportional to 75,517.80, 113,244.30 and 38,063.40 is: 57,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,517.80 : 113,244.30 = 38,063.40 : x
  2. Step 2: Convert to fraction form
    75,517.80/113,244.30 = 38,063.40/x
  3. Step 3: Cross multiply
    75,517.80x = 113,244.30 × 38,063.40
  4. Step 4: Simplify right side
    75,517.80x = 4,310,463,088.62
  5. Step 5: Solve for x
    x = 4,310,463,088.62/75,517.80
  6. Step 6: Final answer
    x = 57,078.77

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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.