Home / 72,813.72-109,246.86-25,435.83

Finding the Fourth Proportional to 72,813.72, 109,246.86 and 25,435.83

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Solution

The fourth proportional to 72,813.72, 109,246.86 and 25,435.83 is: 38,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813.72 : 109,246.86 = 25,435.83 : x
  2. Step 2: Convert to fraction form
    72,813.72/109,246.86 = 25,435.83/x
  3. Step 3: Cross multiply
    72,813.72x = 109,246.86 × 25,435.83
  4. Step 4: Simplify right side
    72,813.72x = 2,778,784,558.99
  5. Step 5: Solve for x
    x = 2,778,784,558.99/72,813.72
  6. Step 6: Final answer
    x = 38,162.93

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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.