Home / 48,857.40-73,286.10-45,904.95

Finding the Fourth Proportional to 48,857.40, 73,286.10 and 45,904.95

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Solution

The fourth proportional to 48,857.40, 73,286.10 and 45,904.95 is: 68,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,857.40 : 73,286.10 = 45,904.95 : x
  2. Step 2: Convert to fraction form
    48,857.40/73,286.10 = 45,904.95/x
  3. Step 3: Cross multiply
    48,857.40x = 73,286.10 × 45,904.95
  4. Step 4: Simplify right side
    48,857.40x = 3,364,194,756.20
  5. Step 5: Solve for x
    x = 3,364,194,756.20/48,857.40
  6. Step 6: Final answer
    x = 68,857.43

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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.