Home / 48,122-72,181.79-13,060.75

Finding the Fourth Proportional to 48,122, 72,181.79 and 13,060.75

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Solution

The fourth proportional to 48,122, 72,181.79 and 13,060.75 is: 19,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,122 : 72,181.79 = 13,060.75 : x
  2. Step 2: Convert to fraction form
    48,122/72,181.79 = 13,060.75/x
  3. Step 3: Cross multiply
    48,122x = 72,181.79 × 13,060.75
  4. Step 4: Simplify right side
    48,122x = 942,747,887.53
  5. Step 5: Solve for x
    x = 942,747,887.53/48,122
  6. Step 6: Final answer
    x = 19,590.79

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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.