Home / 111,971.45-167,980.86-37,087.35

Finding the Fourth Proportional to 111,971.45, 167,980.86 and 37,087.35

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Solution

The fourth proportional to 111,971.45, 167,980.86 and 37,087.35 is: 55,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,971.45 : 167,980.86 = 37,087.35 : x
  2. Step 2: Convert to fraction form
    111,971.45/167,980.86 = 37,087.35/x
  3. Step 3: Cross multiply
    111,971.45x = 167,980.86 × 37,087.35
  4. Step 4: Simplify right side
    111,971.45x = 6,229,964,948.12
  5. Step 5: Solve for x
    x = 6,229,964,948.12/111,971.45
  6. Step 6: Final answer
    x = 55,638.87

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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.