Home / 54,155.60-81,235.80-19,095.56

Finding the Fourth Proportional to 54,155.60, 81,235.80 and 19,095.56

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Solution

The fourth proportional to 54,155.60, 81,235.80 and 19,095.56 is: 28,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,155.60 : 81,235.80 = 19,095.56 : x
  2. Step 2: Convert to fraction form
    54,155.60/81,235.80 = 19,095.56/x
  3. Step 3: Cross multiply
    54,155.60x = 81,235.80 × 19,095.56
  4. Step 4: Simplify right side
    54,155.60x = 1,551,243,093.05
  5. Step 5: Solve for x
    x = 1,551,243,093.05/54,155.60
  6. Step 6: Final answer
    x = 28,644.19

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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.