Home / 55,145.05-82,717.58-13,592.05

Finding the Fourth Proportional to 55,145.05, 82,717.58 and 13,592.05

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Solution

The fourth proportional to 55,145.05, 82,717.58 and 13,592.05 is: 20,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145.05 : 82,717.58 = 13,592.05 : x
  2. Step 2: Convert to fraction form
    55,145.05/82,717.58 = 13,592.05/x
  3. Step 3: Cross multiply
    55,145.05x = 82,717.58 × 13,592.05
  4. Step 4: Simplify right side
    55,145.05x = 1,124,301,069.65
  5. Step 5: Solve for x
    x = 1,124,301,069.65/55,145.05
  6. Step 6: Final answer
    x = 20,388.07

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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.