Home / 118,042.42-162,893.79-64,326.28

Finding the Fourth Proportional to 118,042.42, 162,893.79 and 64,326.28

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Solution

The fourth proportional to 118,042.42, 162,893.79 and 64,326.28 is: 88,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,042.42 : 162,893.79 = 64,326.28 : x
  2. Step 2: Convert to fraction form
    118,042.42/162,893.79 = 64,326.28/x
  3. Step 3: Cross multiply
    118,042.42x = 162,893.79 × 64,326.28
  4. Step 4: Simplify right side
    118,042.42x = 10,478,351,545.80
  5. Step 5: Solve for x
    x = 10,478,351,545.80/118,042.42
  6. Step 6: Final answer
    x = 88,767.68

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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.