Home / 71,172.12-106,674.80-29,025.92

Finding the Fourth Proportional to 71,172.12, 106,674.80 and 29,025.92

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Solution

The fourth proportional to 71,172.12, 106,674.80 and 29,025.92 is: 43,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,172.12 : 106,674.80 = 29,025.92 : x
  2. Step 2: Convert to fraction form
    71,172.12/106,674.80 = 29,025.92/x
  3. Step 3: Cross multiply
    71,172.12x = 106,674.80 × 29,025.92
  4. Step 4: Simplify right side
    71,172.12x = 3,096,334,210.82
  5. Step 5: Solve for x
    x = 3,096,334,210.82/71,172.12
  6. Step 6: Final answer
    x = 43,504.88

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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.