Home / 72,376.22-108,403.92-55,612.86

Finding the Fourth Proportional to 72,376.22, 108,403.92 and 55,612.86

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Solution

The fourth proportional to 72,376.22, 108,403.92 and 55,612.86 is: 83,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376.22 : 108,403.92 = 55,612.86 : x
  2. Step 2: Convert to fraction form
    72,376.22/108,403.92 = 55,612.86/x
  3. Step 3: Cross multiply
    72,376.22x = 108,403.92 × 55,612.86
  4. Step 4: Simplify right side
    72,376.22x = 6,028,652,026.41
  5. Step 5: Solve for x
    x = 6,028,652,026.41/72,376.22
  6. Step 6: Final answer
    x = 83,296.03

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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.