Home / 72,815.90-109,083.92-44,653.83

Finding the Fourth Proportional to 72,815.90, 109,083.92 and 44,653.83

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Solution

The fourth proportional to 72,815.90, 109,083.92 and 44,653.83 is: 66,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,815.90 : 109,083.92 = 44,653.83 : x
  2. Step 2: Convert to fraction form
    72,815.90/109,083.92 = 44,653.83/x
  3. Step 3: Cross multiply
    72,815.90x = 109,083.92 × 44,653.83
  4. Step 4: Simplify right side
    72,815.90x = 4,871,014,800.68
  5. Step 5: Solve for x
    x = 4,871,014,800.68/72,815.90
  6. Step 6: Final answer
    x = 66,894.93

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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.