Home / 118,051.55-162,906.38-64,335.39

Finding the Fourth Proportional to 118,051.55, 162,906.38 and 64,335.39

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Solution

The fourth proportional to 118,051.55, 162,906.38 and 64,335.39 is: 88,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,051.55 : 162,906.38 = 64,335.39 : x
  2. Step 2: Convert to fraction form
    118,051.55/162,906.38 = 64,335.39/x
  3. Step 3: Cross multiply
    118,051.55x = 162,906.38 × 64,335.39
  4. Step 4: Simplify right side
    118,051.55x = 10,480,645,169.11
  5. Step 5: Solve for x
    x = 10,480,645,169.11/118,051.55
  6. Step 6: Final answer
    x = 88,780.25

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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.