Home / 72,829.20-109,200.60-37,837.20

Finding the Fourth Proportional to 72,829.20, 109,200.60 and 37,837.20

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Solution

The fourth proportional to 72,829.20, 109,200.60 and 37,837.20 is: 56,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,829.20 : 109,200.60 = 37,837.20 : x
  2. Step 2: Convert to fraction form
    72,829.20/109,200.60 = 37,837.20/x
  3. Step 3: Cross multiply
    72,829.20x = 109,200.60 × 37,837.20
  4. Step 4: Simplify right side
    72,829.20x = 4,131,844,942.32
  5. Step 5: Solve for x
    x = 4,131,844,942.32/72,829.20
  6. Step 6: Final answer
    x = 56,733.36

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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.