Home / 54,285.95-81,436.65-16,849.25

Finding the Fourth Proportional to 54,285.95, 81,436.65 and 16,849.25

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Solution

The fourth proportional to 54,285.95, 81,436.65 and 16,849.25 is: 25,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.95 : 81,436.65 = 16,849.25 : x
  2. Step 2: Convert to fraction form
    54,285.95/81,436.65 = 16,849.25/x
  3. Step 3: Cross multiply
    54,285.95x = 81,436.65 × 16,849.25
  4. Step 4: Simplify right side
    54,285.95x = 1,372,146,678.60
  5. Step 5: Solve for x
    x = 1,372,146,678.60/54,285.95
  6. Step 6: Final answer
    x = 25,276.28

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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.