Home / 110,715.10-166,045.65-31,821.10

Finding the Fourth Proportional to 110,715.10, 166,045.65 and 31,821.10

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Solution

The fourth proportional to 110,715.10, 166,045.65 and 31,821.10 is: 47,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,715.10 : 166,045.65 = 31,821.10 : x
  2. Step 2: Convert to fraction form
    110,715.10/166,045.65 = 31,821.10/x
  3. Step 3: Cross multiply
    110,715.10x = 166,045.65 × 31,821.10
  4. Step 4: Simplify right side
    110,715.10x = 5,283,755,233.22
  5. Step 5: Solve for x
    x = 5,283,755,233.22/110,715.10
  6. Step 6: Final answer
    x = 47,723.89

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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.