Home / 54,324.90-81,487.35-51,263.10

Finding the Fourth Proportional to 54,324.90, 81,487.35 and 51,263.10

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Solution

The fourth proportional to 54,324.90, 81,487.35 and 51,263.10 is: 76,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.90 : 81,487.35 = 51,263.10 : x
  2. Step 2: Convert to fraction form
    54,324.90/81,487.35 = 51,263.10/x
  3. Step 3: Cross multiply
    54,324.90x = 81,487.35 × 51,263.10
  4. Step 4: Simplify right side
    54,324.90x = 4,177,294,171.79
  5. Step 5: Solve for x
    x = 4,177,294,171.79/54,324.90
  6. Step 6: Final answer
    x = 76,894.65

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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.