Home / 118,087.68-162,956.34-64,371.54

Finding the Fourth Proportional to 118,087.68, 162,956.34 and 64,371.54

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Solution

The fourth proportional to 118,087.68, 162,956.34 and 64,371.54 is: 88,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,087.68 : 162,956.34 = 64,371.54 : x
  2. Step 2: Convert to fraction form
    118,087.68/162,956.34 = 64,371.54/x
  3. Step 3: Cross multiply
    118,087.68x = 162,956.34 × 64,371.54
  4. Step 4: Simplify right side
    118,087.68x = 10,489,750,558.56
  5. Step 5: Solve for x
    x = 10,489,750,558.56/118,087.68
  6. Step 6: Final answer
    x = 88,830.19

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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.