Home / 97,986.48-135,222.32-53,275.44

Finding the Fourth Proportional to 97,986.48, 135,222.32 and 53,275.44

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Solution

The fourth proportional to 97,986.48, 135,222.32 and 53,275.44 is: 73,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,986.48 : 135,222.32 = 53,275.44 : x
  2. Step 2: Convert to fraction form
    97,986.48/135,222.32 = 53,275.44/x
  3. Step 3: Cross multiply
    97,986.48x = 135,222.32 × 53,275.44
  4. Step 4: Simplify right side
    97,986.48x = 7,204,028,595.82
  5. Step 5: Solve for x
    x = 7,204,028,595.82/97,986.48
  6. Step 6: Final answer
    x = 73,520.64

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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.