Home / 124,021.96-185,879.82-57,370.28

Finding the Fourth Proportional to 124,021.96, 185,879.82 and 57,370.28

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Solution

The fourth proportional to 124,021.96, 185,879.82 and 57,370.28 is: 85,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,021.96 : 185,879.82 = 57,370.28 : x
  2. Step 2: Convert to fraction form
    124,021.96/185,879.82 = 57,370.28/x
  3. Step 3: Cross multiply
    124,021.96x = 185,879.82 × 57,370.28
  4. Step 4: Simplify right side
    124,021.96x = 10,663,977,319.75
  5. Step 5: Solve for x
    x = 10,663,977,319.75/124,021.96
  6. Step 6: Final answer
    x = 85,984.59

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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.