Home / 54,579.40-81,869.10-47,062.60

Finding the Fourth Proportional to 54,579.40, 81,869.10 and 47,062.60

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Solution

The fourth proportional to 54,579.40, 81,869.10 and 47,062.60 is: 70,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.40 : 81,869.10 = 47,062.60 : x
  2. Step 2: Convert to fraction form
    54,579.40/81,869.10 = 47,062.60/x
  3. Step 3: Cross multiply
    54,579.40x = 81,869.10 × 47,062.60
  4. Step 4: Simplify right side
    54,579.40x = 3,852,972,705.66
  5. Step 5: Solve for x
    x = 3,852,972,705.66/54,579.40
  6. Step 6: Final answer
    x = 70,593.90

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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.