Home / 82,403.26-123,266.49-65,795.72

Finding the Fourth Proportional to 82,403.26, 123,266.49 and 65,795.72

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Solution

The fourth proportional to 82,403.26, 123,266.49 and 65,795.72 is: 98,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,403.26 : 123,266.49 = 65,795.72 : x
  2. Step 2: Convert to fraction form
    82,403.26/123,266.49 = 65,795.72/x
  3. Step 3: Cross multiply
    82,403.26x = 123,266.49 × 65,795.72
  4. Step 4: Simplify right side
    82,403.26x = 8,110,407,461.42
  5. Step 5: Solve for x
    x = 8,110,407,461.42/82,403.26
  6. Step 6: Final answer
    x = 98,423.38

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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.