Home / 69,715.86-104,574.14-17,125.36

Finding the Fourth Proportional to 69,715.86, 104,574.14 and 17,125.36

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Solution

The fourth proportional to 69,715.86, 104,574.14 and 17,125.36 is: 25,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.86 : 104,574.14 = 17,125.36 : x
  2. Step 2: Convert to fraction form
    69,715.86/104,574.14 = 17,125.36/x
  3. Step 3: Cross multiply
    69,715.86x = 104,574.14 × 17,125.36
  4. Step 4: Simplify right side
    69,715.86x = 1,790,869,794.19
  5. Step 5: Solve for x
    x = 1,790,869,794.19/69,715.86
  6. Step 6: Final answer
    x = 25,688.13

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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.