Home / 54,006.48-80,743.50-45,778.50

Finding the Fourth Proportional to 54,006.48, 80,743.50 and 45,778.50

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Solution

The fourth proportional to 54,006.48, 80,743.50 and 45,778.50 is: 68,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,006.48 : 80,743.50 = 45,778.50 : x
  2. Step 2: Convert to fraction form
    54,006.48/80,743.50 = 45,778.50/x
  3. Step 3: Cross multiply
    54,006.48x = 80,743.50 × 45,778.50
  4. Step 4: Simplify right side
    54,006.48x = 3,696,316,314.75
  5. Step 5: Solve for x
    x = 3,696,316,314.75/54,006.48
  6. Step 6: Final answer
    x = 68,442.09

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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.