Home / 118,678.41-178,017.17-48,557.70

Finding the Fourth Proportional to 118,678.41, 178,017.17 and 48,557.70

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Solution

The fourth proportional to 118,678.41, 178,017.17 and 48,557.70 is: 72,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,678.41 : 178,017.17 = 48,557.70 : x
  2. Step 2: Convert to fraction form
    118,678.41/178,017.17 = 48,557.70/x
  3. Step 3: Cross multiply
    118,678.41x = 178,017.17 × 48,557.70
  4. Step 4: Simplify right side
    118,678.41x = 8,644,104,092.92
  5. Step 5: Solve for x
    x = 8,644,104,092.92/118,678.41
  6. Step 6: Final answer
    x = 72,836.37

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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.