Home / 78,066.30-117,104.67-27,459.26

Finding the Fourth Proportional to 78,066.30, 117,104.67 and 27,459.26

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Solution

The fourth proportional to 78,066.30, 117,104.67 and 27,459.26 is: 41,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,066.30 : 117,104.67 = 27,459.26 : x
  2. Step 2: Convert to fraction form
    78,066.30/117,104.67 = 27,459.26/x
  3. Step 3: Cross multiply
    78,066.30x = 117,104.67 × 27,459.26
  4. Step 4: Simplify right side
    78,066.30x = 3,215,607,580.74
  5. Step 5: Solve for x
    x = 3,215,607,580.74/78,066.30
  6. Step 6: Final answer
    x = 41,190.73

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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.