Home / 115,818.86-173,684.55-49,290.32

Finding the Fourth Proportional to 115,818.86, 173,684.55 and 49,290.32

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Solution

The fourth proportional to 115,818.86, 173,684.55 and 49,290.32 is: 73,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,818.86 : 173,684.55 = 49,290.32 : x
  2. Step 2: Convert to fraction form
    115,818.86/173,684.55 = 49,290.32/x
  3. Step 3: Cross multiply
    115,818.86x = 173,684.55 × 49,290.32
  4. Step 4: Simplify right side
    115,818.86x = 8,560,967,048.56
  5. Step 5: Solve for x
    x = 8,560,967,048.56/115,818.86
  6. Step 6: Final answer
    x = 73,916.87

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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.