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Finding the Fourth Proportional to 64,906.90, 97,287.45 and 27,460.60

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Solution

The fourth proportional to 64,906.90, 97,287.45 and 27,460.60 is: 41,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,906.90 : 97,287.45 = 27,460.60 : x
  2. Step 2: Convert to fraction form
    64,906.90/97,287.45 = 27,460.60/x
  3. Step 3: Cross multiply
    64,906.90x = 97,287.45 × 27,460.60
  4. Step 4: Simplify right side
    64,906.90x = 2,671,571,749.47
  5. Step 5: Solve for x
    x = 2,671,571,749.47/64,906.90
  6. Step 6: Final answer
    x = 41,160.06

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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.