Home / 97,884.05-135,047.86-54,857.25

Finding the Fourth Proportional to 97,884.05, 135,047.86 and 54,857.25

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Solution

The fourth proportional to 97,884.05, 135,047.86 and 54,857.25 is: 75,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,884.05 : 135,047.86 = 54,857.25 : x
  2. Step 2: Convert to fraction form
    97,884.05/135,047.86 = 54,857.25/x
  3. Step 3: Cross multiply
    97,884.05x = 135,047.86 × 54,857.25
  4. Step 4: Simplify right side
    97,884.05x = 7,408,354,080.84
  5. Step 5: Solve for x
    x = 7,408,354,080.84/97,884.05
  6. Step 6: Final answer
    x = 75,685.00

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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.