Home / 97,221.33-134,179.34-54,783.81

Finding the Fourth Proportional to 97,221.33, 134,179.34 and 54,783.81

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Solution

The fourth proportional to 97,221.33, 134,179.34 and 54,783.81 is: 75,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,221.33 : 134,179.34 = 54,783.81 : x
  2. Step 2: Convert to fraction form
    97,221.33/134,179.34 = 54,783.81/x
  3. Step 3: Cross multiply
    97,221.33x = 134,179.34 × 54,783.81
  4. Step 4: Simplify right side
    97,221.33x = 7,350,855,194.57
  5. Step 5: Solve for x
    x = 7,350,855,194.57/97,221.33
  6. Step 6: Final answer
    x = 75,609.49

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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.