Home / 115,938.60-173,778.30-49,367.40

Finding the Fourth Proportional to 115,938.60, 173,778.30 and 49,367.40

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Solution

The fourth proportional to 115,938.60, 173,778.30 and 49,367.40 is: 73,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,938.60 : 173,778.30 = 49,367.40 : x
  2. Step 2: Convert to fraction form
    115,938.60/173,778.30 = 49,367.40/x
  3. Step 3: Cross multiply
    115,938.60x = 173,778.30 × 49,367.40
  4. Step 4: Simplify right side
    115,938.60x = 8,578,982,847.42
  5. Step 5: Solve for x
    x = 8,578,982,847.42/115,938.60
  6. Step 6: Final answer
    x = 73,995.92

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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.