Home / 49,322.32-74,072.10-45,366.40

Finding the Fourth Proportional to 49,322.32, 74,072.10 and 45,366.40

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Solution

The fourth proportional to 49,322.32, 74,072.10 and 45,366.40 is: 68,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,322.32 : 74,072.10 = 45,366.40 : x
  2. Step 2: Convert to fraction form
    49,322.32/74,072.10 = 45,366.40/x
  3. Step 3: Cross multiply
    49,322.32x = 74,072.10 × 45,366.40
  4. Step 4: Simplify right side
    49,322.32x = 3,360,384,517.44
  5. Step 5: Solve for x
    x = 3,360,384,517.44/49,322.32
  6. Step 6: Final answer
    x = 68,131.11

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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.