Home / 48,661.14-67,140.88-29,540.43

Finding the Fourth Proportional to 48,661.14, 67,140.88 and 29,540.43

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Solution

The fourth proportional to 48,661.14, 67,140.88 and 29,540.43 is: 40,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,661.14 : 67,140.88 = 29,540.43 : x
  2. Step 2: Convert to fraction form
    48,661.14/67,140.88 = 29,540.43/x
  3. Step 3: Cross multiply
    48,661.14x = 67,140.88 × 29,540.43
  4. Step 4: Simplify right side
    48,661.14x = 1,983,370,465.78
  5. Step 5: Solve for x
    x = 1,983,370,465.78/48,661.14
  6. Step 6: Final answer
    x = 40,758.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.