Home / 124,879.33-172,333.38-68,290.69

Finding the Fourth Proportional to 124,879.33, 172,333.38 and 68,290.69

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Solution

The fourth proportional to 124,879.33, 172,333.38 and 68,290.69 is: 94,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,879.33 : 172,333.38 = 68,290.69 : x
  2. Step 2: Convert to fraction form
    124,879.33/172,333.38 = 68,290.69/x
  3. Step 3: Cross multiply
    124,879.33x = 172,333.38 × 68,290.69
  4. Step 4: Simplify right side
    124,879.33x = 11,768,765,430.23
  5. Step 5: Solve for x
    x = 11,768,765,430.23/124,879.33
  6. Step 6: Final answer
    x = 94,241.10

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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.