Home / 115,783.10-173,658.45-36,905.30

Finding the Fourth Proportional to 115,783.10, 173,658.45 and 36,905.30

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Solution

The fourth proportional to 115,783.10, 173,658.45 and 36,905.30 is: 55,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,783.10 : 173,658.45 = 36,905.30 : x
  2. Step 2: Convert to fraction form
    115,783.10/173,658.45 = 36,905.30/x
  3. Step 3: Cross multiply
    115,783.10x = 173,658.45 × 36,905.30
  4. Step 4: Simplify right side
    115,783.10x = 6,408,917,194.79
  5. Step 5: Solve for x
    x = 6,408,917,194.79/115,783.10
  6. Step 6: Final answer
    x = 55,352.79

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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.