Home / 45,231.13-68,193.79-42,182.02

Finding the Fourth Proportional to 45,231.13, 68,193.79 and 42,182.02

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Solution

The fourth proportional to 45,231.13, 68,193.79 and 42,182.02 is: 63,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.13 : 68,193.79 = 42,182.02 : x
  2. Step 2: Convert to fraction form
    45,231.13/68,193.79 = 42,182.02/x
  3. Step 3: Cross multiply
    45,231.13x = 68,193.79 × 42,182.02
  4. Step 4: Simplify right side
    45,231.13x = 2,876,551,813.66
  5. Step 5: Solve for x
    x = 2,876,551,813.66/45,231.13
  6. Step 6: Final answer
    x = 63,596.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.