Home / 90,351.89-124,690.62-50,064.82

Finding the Fourth Proportional to 90,351.89, 124,690.62 and 50,064.82

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Solution

The fourth proportional to 90,351.89, 124,690.62 and 50,064.82 is: 69,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,351.89 : 124,690.62 = 50,064.82 : x
  2. Step 2: Convert to fraction form
    90,351.89/124,690.62 = 50,064.82/x
  3. Step 3: Cross multiply
    90,351.89x = 124,690.62 × 50,064.82
  4. Step 4: Simplify right side
    90,351.89x = 6,242,613,322.00
  5. Step 5: Solve for x
    x = 6,242,613,322.00/90,351.89
  6. Step 6: Final answer
    x = 69,092.23

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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.