Home / 82,730.06-124,017.30-43,313.06

Finding the Fourth Proportional to 82,730.06, 124,017.30 and 43,313.06

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Solution

The fourth proportional to 82,730.06, 124,017.30 and 43,313.06 is: 64,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,730.06 : 124,017.30 = 43,313.06 : x
  2. Step 2: Convert to fraction form
    82,730.06/124,017.30 = 43,313.06/x
  3. Step 3: Cross multiply
    82,730.06x = 124,017.30 × 43,313.06
  4. Step 4: Simplify right side
    82,730.06x = 5,371,568,755.94
  5. Step 5: Solve for x
    x = 5,371,568,755.94/82,730.06
  6. Step 6: Final answer
    x = 64,928.86

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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.