Home / 79,622.26-119,459.31-38,072.50

Finding the Fourth Proportional to 79,622.26, 119,459.31 and 38,072.50

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Solution

The fourth proportional to 79,622.26, 119,459.31 and 38,072.50 is: 57,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,622.26 : 119,459.31 = 38,072.50 : x
  2. Step 2: Convert to fraction form
    79,622.26/119,459.31 = 38,072.50/x
  3. Step 3: Cross multiply
    79,622.26x = 119,459.31 × 38,072.50
  4. Step 4: Simplify right side
    79,622.26x = 4,548,114,579.98
  5. Step 5: Solve for x
    x = 4,548,114,579.98/79,622.26
  6. Step 6: Final answer
    x = 57,121.14

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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.