Home / 69,509.68-104,242.50-25,130.56

Finding the Fourth Proportional to 69,509.68, 104,242.50 and 25,130.56

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Solution

The fourth proportional to 69,509.68, 104,242.50 and 25,130.56 is: 37,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509.68 : 104,242.50 = 25,130.56 : x
  2. Step 2: Convert to fraction form
    69,509.68/104,242.50 = 25,130.56/x
  3. Step 3: Cross multiply
    69,509.68x = 104,242.50 × 25,130.56
  4. Step 4: Simplify right side
    69,509.68x = 2,619,672,400.80
  5. Step 5: Solve for x
    x = 2,619,672,400.80/69,509.68
  6. Step 6: Final answer
    x = 37,687.88

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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.