Home / 118,072.08-162,943.20-67,086.96

Finding the Fourth Proportional to 118,072.08, 162,943.20 and 67,086.96

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Solution

The fourth proportional to 118,072.08, 162,943.20 and 67,086.96 is: 92,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,072.08 : 162,943.20 = 67,086.96 : x
  2. Step 2: Convert to fraction form
    118,072.08/162,943.20 = 67,086.96/x
  3. Step 3: Cross multiply
    118,072.08x = 162,943.20 × 67,086.96
  4. Step 4: Simplify right side
    118,072.08x = 10,931,363,940.67
  5. Step 5: Solve for x
    x = 10,931,363,940.67/118,072.08
  6. Step 6: Final answer
    x = 92,582.12

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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.