Home / 48,911.31-67,499.19-27,690.12

Finding the Fourth Proportional to 48,911.31, 67,499.19 and 27,690.12

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Solution

The fourth proportional to 48,911.31, 67,499.19 and 27,690.12 is: 38,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,911.31 : 67,499.19 = 27,690.12 : x
  2. Step 2: Convert to fraction form
    48,911.31/67,499.19 = 27,690.12/x
  3. Step 3: Cross multiply
    48,911.31x = 67,499.19 × 27,690.12
  4. Step 4: Simplify right side
    48,911.31x = 1,869,060,671.00
  5. Step 5: Solve for x
    x = 1,869,060,671.00/48,911.31
  6. Step 6: Final answer
    x = 38,213.26

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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.