Home / 69,725.36-104,473.10-40,168.05

Finding the Fourth Proportional to 69,725.36, 104,473.10 and 40,168.05

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Solution

The fourth proportional to 69,725.36, 104,473.10 and 40,168.05 is: 60,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,725.36 : 104,473.10 = 40,168.05 : x
  2. Step 2: Convert to fraction form
    69,725.36/104,473.10 = 40,168.05/x
  3. Step 3: Cross multiply
    69,725.36x = 104,473.10 × 40,168.05
  4. Step 4: Simplify right side
    69,725.36x = 4,196,480,503.61
  5. Step 5: Solve for x
    x = 4,196,480,503.61/69,725.36
  6. Step 6: Final answer
    x = 60,185.86

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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.