Home / 118,724.41-178,086.21-48,603.79

Finding the Fourth Proportional to 118,724.41, 178,086.21 and 48,603.79

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Solution

The fourth proportional to 118,724.41, 178,086.21 and 48,603.79 is: 72,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,724.41 : 178,086.21 = 48,603.79 : x
  2. Step 2: Convert to fraction form
    118,724.41/178,086.21 = 48,603.79/x
  3. Step 3: Cross multiply
    118,724.41x = 178,086.21 × 48,603.79
  4. Step 4: Simplify right side
    118,724.41x = 8,655,664,752.74
  5. Step 5: Solve for x
    x = 8,655,664,752.74/118,724.41
  6. Step 6: Final answer
    x = 72,905.52

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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.