Home / 82,382.40-123,554.16-35,609.76

Finding the Fourth Proportional to 82,382.40, 123,554.16 and 35,609.76

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Solution

The fourth proportional to 82,382.40, 123,554.16 and 35,609.76 is: 53,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,382.40 : 123,554.16 = 35,609.76 : x
  2. Step 2: Convert to fraction form
    82,382.40/123,554.16 = 35,609.76/x
  3. Step 3: Cross multiply
    82,382.40x = 123,554.16 × 35,609.76
  4. Step 4: Simplify right side
    82,382.40x = 4,399,733,984.60
  5. Step 5: Solve for x
    x = 4,399,733,984.60/82,382.40
  6. Step 6: Final answer
    x = 53,406.24

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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.