Home / 111,986.40-167,988.32-37,103.52

Finding the Fourth Proportional to 111,986.40, 167,988.32 and 37,103.52

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Solution

The fourth proportional to 111,986.40, 167,988.32 and 37,103.52 is: 55,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,986.40 : 167,988.32 = 37,103.52 : x
  2. Step 2: Convert to fraction form
    111,986.40/167,988.32 = 37,103.52/x
  3. Step 3: Cross multiply
    111,986.40x = 167,988.32 × 37,103.52
  4. Step 4: Simplify right side
    111,986.40x = 6,232,957,990.89
  5. Step 5: Solve for x
    x = 6,232,957,990.89/111,986.40
  6. Step 6: Final answer
    x = 55,658.17

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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.