Home / 72,968.10-109,367.10-33,529.20

Finding the Fourth Proportional to 72,968.10, 109,367.10 and 33,529.20

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Solution

The fourth proportional to 72,968.10, 109,367.10 and 33,529.20 is: 50,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,968.10 : 109,367.10 = 33,529.20 : x
  2. Step 2: Convert to fraction form
    72,968.10/109,367.10 = 33,529.20/x
  3. Step 3: Cross multiply
    72,968.10x = 109,367.10 × 33,529.20
  4. Step 4: Simplify right side
    72,968.10x = 3,666,991,369.32
  5. Step 5: Solve for x
    x = 3,666,991,369.32/72,968.10
  6. Step 6: Final answer
    x = 50,254.72

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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.