Home / 104,749.38-144,553.77-57,001.86

Finding the Fourth Proportional to 104,749.38, 144,553.77 and 57,001.86

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Solution

The fourth proportional to 104,749.38, 144,553.77 and 57,001.86 is: 78,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.38 : 144,553.77 = 57,001.86 : x
  2. Step 2: Convert to fraction form
    104,749.38/144,553.77 = 57,001.86/x
  3. Step 3: Cross multiply
    104,749.38x = 144,553.77 × 57,001.86
  4. Step 4: Simplify right side
    104,749.38x = 8,239,833,760.01
  5. Step 5: Solve for x
    x = 8,239,833,760.01/104,749.38
  6. Step 6: Final answer
    x = 78,662.36

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1.5x scale

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.