Home / 97,968.77-135,198.47-55,526.39

Finding the Fourth Proportional to 97,968.77, 135,198.47 and 55,526.39

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Solution

The fourth proportional to 97,968.77, 135,198.47 and 55,526.39 is: 76,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,968.77 : 135,198.47 = 55,526.39 : x
  2. Step 2: Convert to fraction form
    97,968.77/135,198.47 = 55,526.39/x
  3. Step 3: Cross multiply
    97,968.77x = 135,198.47 × 55,526.39
  4. Step 4: Simplify right side
    97,968.77x = 7,507,082,972.62
  5. Step 5: Solve for x
    x = 7,507,082,972.62/97,968.77
  6. Step 6: Final answer
    x = 76,627.31

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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.