Home / 97,845.63-135,027.51-55,412.43

Finding the Fourth Proportional to 97,845.63, 135,027.51 and 55,412.43

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Solution

The fourth proportional to 97,845.63, 135,027.51 and 55,412.43 is: 76,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,845.63 : 135,027.51 = 55,412.43 : x
  2. Step 2: Convert to fraction form
    97,845.63/135,027.51 = 55,412.43/x
  3. Step 3: Cross multiply
    97,845.63x = 135,027.51 × 55,412.43
  4. Step 4: Simplify right side
    97,845.63x = 7,482,202,445.95
  5. Step 5: Solve for x
    x = 7,482,202,445.95/97,845.63
  6. Step 6: Final answer
    x = 76,469.46

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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.