Home / 111,553.15-153,942.48-60,564.86

Finding the Fourth Proportional to 111,553.15, 153,942.48 and 60,564.86

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Solution

The fourth proportional to 111,553.15, 153,942.48 and 60,564.86 is: 83,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,553.15 : 153,942.48 = 60,564.86 : x
  2. Step 2: Convert to fraction form
    111,553.15/153,942.48 = 60,564.86/x
  3. Step 3: Cross multiply
    111,553.15x = 153,942.48 × 60,564.86
  4. Step 4: Simplify right side
    111,553.15x = 9,323,504,749.25
  5. Step 5: Solve for x
    x = 9,323,504,749.25/111,553.15
  6. Step 6: Final answer
    x = 83,579.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.