Home / 76,176.38-114,221.83-52,187.79

Finding the Fourth Proportional to 76,176.38, 114,221.83 and 52,187.79

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Solution

The fourth proportional to 76,176.38, 114,221.83 and 52,187.79 is: 78,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176.38 : 114,221.83 = 52,187.79 : x
  2. Step 2: Convert to fraction form
    76,176.38/114,221.83 = 52,187.79/x
  3. Step 3: Cross multiply
    76,176.38x = 114,221.83 × 52,187.79
  4. Step 4: Simplify right side
    76,176.38x = 5,960,984,877.46
  5. Step 5: Solve for x
    x = 5,960,984,877.46/76,176.38
  6. Step 6: Final answer
    x = 78,252.40

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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.