Home / 82,615.55-123,853.66-35,833.19

Finding the Fourth Proportional to 82,615.55, 123,853.66 and 35,833.19

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Solution

The fourth proportional to 82,615.55, 123,853.66 and 35,833.19 is: 53,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,615.55 : 123,853.66 = 35,833.19 : x
  2. Step 2: Convert to fraction form
    82,615.55/123,853.66 = 35,833.19/x
  3. Step 3: Cross multiply
    82,615.55x = 123,853.66 × 35,833.19
  4. Step 4: Simplify right side
    82,615.55x = 4,438,071,730.98
  5. Step 5: Solve for x
    x = 4,438,071,730.98/82,615.55
  6. Step 6: Final answer
    x = 53,719.57

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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.