Home / 75,418.70-113,033.73-37,988.19

Finding the Fourth Proportional to 75,418.70, 113,033.73 and 37,988.19

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Solution

The fourth proportional to 75,418.70, 113,033.73 and 37,988.19 is: 56,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.70 : 113,033.73 = 37,988.19 : x
  2. Step 2: Convert to fraction form
    75,418.70/113,033.73 = 37,988.19/x
  3. Step 3: Cross multiply
    75,418.70x = 113,033.73 × 37,988.19
  4. Step 4: Simplify right side
    75,418.70x = 4,293,946,740.42
  5. Step 5: Solve for x
    x = 4,293,946,740.42/75,418.70
  6. Step 6: Final answer
    x = 56,934.78

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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.