Home / 53,160.35-73,358.55-29,286.50

Finding the Fourth Proportional to 53,160.35, 73,358.55 and 29,286.50

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Solution

The fourth proportional to 53,160.35, 73,358.55 and 29,286.50 is: 40,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160.35 : 73,358.55 = 29,286.50 : x
  2. Step 2: Convert to fraction form
    53,160.35/73,358.55 = 29,286.50/x
  3. Step 3: Cross multiply
    53,160.35x = 73,358.55 × 29,286.50
  4. Step 4: Simplify right side
    53,160.35x = 2,148,414,807.78
  5. Step 5: Solve for x
    x = 2,148,414,807.78/53,160.35
  6. Step 6: Final answer
    x = 40,413.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.