Home / 118,724.14-178,105.65-56,373.58

Finding the Fourth Proportional to 118,724.14, 178,105.65 and 56,373.58

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Solution

The fourth proportional to 118,724.14, 178,105.65 and 56,373.58 is: 84,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,724.14 : 178,105.65 = 56,373.58 : x
  2. Step 2: Convert to fraction form
    118,724.14/178,105.65 = 56,373.58/x
  3. Step 3: Cross multiply
    118,724.14x = 178,105.65 × 56,373.58
  4. Step 4: Simplify right side
    118,724.14x = 10,040,453,108.73
  5. Step 5: Solve for x
    x = 10,040,453,108.73/118,724.14
  6. Step 6: Final answer
    x = 84,569.60

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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.