Home / 54,269.10-81,403.65-51,965.10

Finding the Fourth Proportional to 54,269.10, 81,403.65 and 51,965.10

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Solution

The fourth proportional to 54,269.10, 81,403.65 and 51,965.10 is: 77,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,269.10 : 81,403.65 = 51,965.10 : x
  2. Step 2: Convert to fraction form
    54,269.10/81,403.65 = 51,965.10/x
  3. Step 3: Cross multiply
    54,269.10x = 81,403.65 × 51,965.10
  4. Step 4: Simplify right side
    54,269.10x = 4,230,148,812.62
  5. Step 5: Solve for x
    x = 4,230,148,812.62/54,269.10
  6. Step 6: Final answer
    x = 77,947.65

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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.