Home / 69,780.24-104,674.44-25,411.68

Finding the Fourth Proportional to 69,780.24, 104,674.44 and 25,411.68

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Solution

The fourth proportional to 69,780.24, 104,674.44 and 25,411.68 is: 38,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.24 : 104,674.44 = 25,411.68 : x
  2. Step 2: Convert to fraction form
    69,780.24/104,674.44 = 25,411.68/x
  3. Step 3: Cross multiply
    69,780.24x = 104,674.44 × 25,411.68
  4. Step 4: Simplify right side
    69,780.24x = 2,659,953,373.46
  5. Step 5: Solve for x
    x = 2,659,953,373.46/69,780.24
  6. Step 6: Final answer
    x = 38,119.01

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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.