Home / 111,913.25-167,869.90-37,013.30

Finding the Fourth Proportional to 111,913.25, 167,869.90 and 37,013.30

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Solution

The fourth proportional to 111,913.25, 167,869.90 and 37,013.30 is: 55,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,913.25 : 167,869.90 = 37,013.30 : x
  2. Step 2: Convert to fraction form
    111,913.25/167,869.90 = 37,013.30/x
  3. Step 3: Cross multiply
    111,913.25x = 167,869.90 × 37,013.30
  4. Step 4: Simplify right side
    111,913.25x = 6,213,418,969.67
  5. Step 5: Solve for x
    x = 6,213,418,969.67/111,913.25
  6. Step 6: Final answer
    x = 55,519.96

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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.