Home / 78,412.03-117,617.87-34,033.03

Finding the Fourth Proportional to 78,412.03, 117,617.87 and 34,033.03

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Solution

The fourth proportional to 78,412.03, 117,617.87 and 34,033.03 is: 51,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,412.03 : 117,617.87 = 34,033.03 : x
  2. Step 2: Convert to fraction form
    78,412.03/117,617.87 = 34,033.03/x
  3. Step 3: Cross multiply
    78,412.03x = 117,617.87 × 34,033.03
  4. Step 4: Simplify right side
    78,412.03x = 4,002,892,328.08
  5. Step 5: Solve for x
    x = 4,002,892,328.08/78,412.03
  6. Step 6: Final answer
    x = 51,049.47

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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.