Home / 97,969.02-135,198.81-55,526.64

Finding the Fourth Proportional to 97,969.02, 135,198.81 and 55,526.64

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Solution

The fourth proportional to 97,969.02, 135,198.81 and 55,526.64 is: 76,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,969.02 : 135,198.81 = 55,526.64 : x
  2. Step 2: Convert to fraction form
    97,969.02/135,198.81 = 55,526.64/x
  3. Step 3: Cross multiply
    97,969.02x = 135,198.81 × 55,526.64
  4. Step 4: Simplify right side
    97,969.02x = 7,507,135,651.30
  5. Step 5: Solve for x
    x = 7,507,135,651.30/97,969.02
  6. Step 6: Final answer
    x = 76,627.65

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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.