Home / 55,007.10-82,364.85-43,343.10

Finding the Fourth Proportional to 55,007.10, 82,364.85 and 43,343.10

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Solution

The fourth proportional to 55,007.10, 82,364.85 and 43,343.10 is: 64,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.10 : 82,364.85 = 43,343.10 : x
  2. Step 2: Convert to fraction form
    55,007.10/82,364.85 = 43,343.10/x
  3. Step 3: Cross multiply
    55,007.10x = 82,364.85 × 43,343.10
  4. Step 4: Simplify right side
    55,007.10x = 3,569,947,930.04
  5. Step 5: Solve for x
    x = 3,569,947,930.04/55,007.10
  6. Step 6: Final answer
    x = 64,899.77

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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.