Home / 111,676.14-167,373.31-45,079.20

Finding the Fourth Proportional to 111,676.14, 167,373.31 and 45,079.20

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Solution

The fourth proportional to 111,676.14, 167,373.31 and 45,079.20 is: 67,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,676.14 : 167,373.31 = 45,079.20 : x
  2. Step 2: Convert to fraction form
    111,676.14/167,373.31 = 45,079.20/x
  3. Step 3: Cross multiply
    111,676.14x = 167,373.31 × 45,079.20
  4. Step 4: Simplify right side
    111,676.14x = 7,545,054,916.15
  5. Step 5: Solve for x
    x = 7,545,054,916.15/111,676.14
  6. Step 6: Final answer
    x = 67,561.92

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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.