Home / 97,190.89-134,127.56-54,170.44

Finding the Fourth Proportional to 97,190.89, 134,127.56 and 54,170.44

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Solution

The fourth proportional to 97,190.89, 134,127.56 and 54,170.44 is: 74,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,190.89 : 134,127.56 = 54,170.44 : x
  2. Step 2: Convert to fraction form
    97,190.89/134,127.56 = 54,170.44/x
  3. Step 3: Cross multiply
    97,190.89x = 134,127.56 × 54,170.44
  4. Step 4: Simplify right side
    97,190.89x = 7,265,748,741.43
  5. Step 5: Solve for x
    x = 7,265,748,741.43/97,190.89
  6. Step 6: Final answer
    x = 74,757.51

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1.5x scale

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.