Home / 69,790.80-104,727.22-25,420.20

Finding the Fourth Proportional to 69,790.80, 104,727.22 and 25,420.20

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Solution

The fourth proportional to 69,790.80, 104,727.22 and 25,420.20 is: 38,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,790.80 : 104,727.22 = 25,420.20 : x
  2. Step 2: Convert to fraction form
    69,790.80/104,727.22 = 25,420.20/x
  3. Step 3: Cross multiply
    69,790.80x = 104,727.22 × 25,420.20
  4. Step 4: Simplify right side
    69,790.80x = 2,662,186,877.84
  5. Step 5: Solve for x
    x = 2,662,186,877.84/69,790.80
  6. Step 6: Final answer
    x = 38,145.24

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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.