Home / 111,771.11-167,730.52-52,623.69

Finding the Fourth Proportional to 111,771.11, 167,730.52 and 52,623.69

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Solution

The fourth proportional to 111,771.11, 167,730.52 and 52,623.69 is: 78,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,771.11 : 167,730.52 = 52,623.69 : x
  2. Step 2: Convert to fraction form
    111,771.11/167,730.52 = 52,623.69/x
  3. Step 3: Cross multiply
    111,771.11x = 167,730.52 × 52,623.69
  4. Step 4: Simplify right side
    111,771.11x = 8,826,598,953.80
  5. Step 5: Solve for x
    x = 8,826,598,953.80/111,771.11
  6. Step 6: Final answer
    x = 78,970.31

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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.