Home / 111,771.36-167,730.90-52,623.94

Finding the Fourth Proportional to 111,771.36, 167,730.90 and 52,623.94

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Solution

The fourth proportional to 111,771.36, 167,730.90 and 52,623.94 is: 78,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,771.36 : 167,730.90 = 52,623.94 : x
  2. Step 2: Convert to fraction form
    111,771.36/167,730.90 = 52,623.94/x
  3. Step 3: Cross multiply
    111,771.36x = 167,730.90 × 52,623.94
  4. Step 4: Simplify right side
    111,771.36x = 8,826,660,686.19
  5. Step 5: Solve for x
    x = 8,826,660,686.19/111,771.36
  6. Step 6: Final answer
    x = 78,970.69

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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.