Home / 79,186.38-118,614.28-47,495.94

Finding the Fourth Proportional to 79,186.38, 118,614.28 and 47,495.94

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Solution

The fourth proportional to 79,186.38, 118,614.28 and 47,495.94 is: 71,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186.38 : 118,614.28 = 47,495.94 : x
  2. Step 2: Convert to fraction form
    79,186.38/118,614.28 = 47,495.94/x
  3. Step 3: Cross multiply
    79,186.38x = 118,614.28 × 47,495.94
  4. Step 4: Simplify right side
    79,186.38x = 5,633,696,726.02
  5. Step 5: Solve for x
    x = 5,633,696,726.02/79,186.38
  6. Step 6: Final answer
    x = 71,144.77

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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.