Home / 54,856.30-75,701.64-29,705.80

Finding the Fourth Proportional to 54,856.30, 75,701.64 and 29,705.80

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Solution

The fourth proportional to 54,856.30, 75,701.64 and 29,705.80 is: 40,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.30 : 75,701.64 = 29,705.80 : x
  2. Step 2: Convert to fraction form
    54,856.30/75,701.64 = 29,705.80/x
  3. Step 3: Cross multiply
    54,856.30x = 75,701.64 × 29,705.80
  4. Step 4: Simplify right side
    54,856.30x = 2,248,777,777.51
  5. Step 5: Solve for x
    x = 2,248,777,777.51/54,856.30
  6. Step 6: Final answer
    x = 40,993.97

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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.