Home / 97,972.51-135,198.24-55,530.13

Finding the Fourth Proportional to 97,972.51, 135,198.24 and 55,530.13

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Solution

The fourth proportional to 97,972.51, 135,198.24 and 55,530.13 is: 76,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,972.51 : 135,198.24 = 55,530.13 : x
  2. Step 2: Convert to fraction form
    97,972.51/135,198.24 = 55,530.13/x
  3. Step 3: Cross multiply
    97,972.51x = 135,198.24 × 55,530.13
  4. Step 4: Simplify right side
    97,972.51x = 7,507,575,842.97
  5. Step 5: Solve for x
    x = 7,507,575,842.97/97,972.51
  6. Step 6: Final answer
    x = 76,629.41

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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.