Home / 115,708.90-173,628.15-49,137.70

Finding the Fourth Proportional to 115,708.90, 173,628.15 and 49,137.70

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Solution

The fourth proportional to 115,708.90, 173,628.15 and 49,137.70 is: 73,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,708.90 : 173,628.15 = 49,137.70 : x
  2. Step 2: Convert to fraction form
    115,708.90/173,628.15 = 49,137.70/x
  3. Step 3: Cross multiply
    115,708.90x = 173,628.15 × 49,137.70
  4. Step 4: Simplify right side
    115,708.90x = 8,531,687,946.26
  5. Step 5: Solve for x
    x = 8,531,687,946.26/115,708.90
  6. Step 6: Final answer
    x = 73,734.07

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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.