Home / 88,561.40-132,749.83-38,628.09

Finding the Fourth Proportional to 88,561.40, 132,749.83 and 38,628.09

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Solution

The fourth proportional to 88,561.40, 132,749.83 and 38,628.09 is: 57,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,561.40 : 132,749.83 = 38,628.09 : x
  2. Step 2: Convert to fraction form
    88,561.40/132,749.83 = 38,628.09/x
  3. Step 3: Cross multiply
    88,561.40x = 132,749.83 × 38,628.09
  4. Step 4: Simplify right side
    88,561.40x = 5,127,871,523.84
  5. Step 5: Solve for x
    x = 5,127,871,523.84/88,561.40
  6. Step 6: Final answer
    x = 57,901.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.