Home / 97,845.47-135,026.75-55,404

Finding the Fourth Proportional to 97,845.47, 135,026.75 and 55,404

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Solution

The fourth proportional to 97,845.47, 135,026.75 and 55,404 is: 76,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,845.47 : 135,026.75 = 55,404 : x
  2. Step 2: Convert to fraction form
    97,845.47/135,026.75 = 55,404/x
  3. Step 3: Cross multiply
    97,845.47x = 135,026.75 × 55,404
  4. Step 4: Simplify right side
    97,845.47x = 7,481,021,883.86
  5. Step 5: Solve for x
    x = 7,481,021,883.86/97,845.47
  6. Step 6: Final answer
    x = 76,457.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.