Home / 69,780.08-104,698.08-25,409.92

Finding the Fourth Proportional to 69,780.08, 104,698.08 and 25,409.92

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Solution

The fourth proportional to 69,780.08, 104,698.08 and 25,409.92 is: 38,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.08 : 104,698.08 = 25,409.92 : x
  2. Step 2: Convert to fraction form
    69,780.08/104,698.08 = 25,409.92/x
  3. Step 3: Cross multiply
    69,780.08x = 104,698.08 × 25,409.92
  4. Step 4: Simplify right side
    69,780.08x = 2,660,369,836.95
  5. Step 5: Solve for x
    x = 2,660,369,836.95/69,780.08
  6. Step 6: Final answer
    x = 38,125.06

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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.